Chantilly, VA

4:58 PM EDT on May 19, 2013 (GMT -0400)
Elev: 272 ft
Lon: 77.5° W
Lat: 38.9° N
Source
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News
Real-Time Updates: Severe Weather Outbreak
May 19, 2013
The latest breaking news, tornado warnings, photos and more.
Mice Return From a Month in Space
May 19, 2013
Mice and other critters return from a month long stay in space.
Heavy Rains Cause Flooding in North Georgia
May 19, 2013
Some locations have seen 5 to 6 inches of rainfall.
May Severe Outbreak: Day 1 Recap
May 19, 2013
See the tornado, damaging wind and large hail reports on our interactive map.
Tornado Hunt Captures Multiple Tornadoes in Progress
May 19, 2013
See images and video from the Plains as severe thunderstorms left their mark.
Tornado Warning Drought May End This Weekend
May 19, 2013
Parts of the Plains, Midwest have seen a startling absence of tornadoes.
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May 18, 2013
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Flash Flooding Swamps Parts of Alabama
May 19, 2013
The photos, reports, and perspective behind flooding rain in parts of Alabama Saturday.
Active Volcano Captured in Stunning Photos
May 17, 2013
Indonesian-born and Qatar-based photographer Helminadia Ranford captured breathtaking photos of Mt. Bromo, an active volcano in East Java, Indonesia.
NASA: New Pump Resolves Big Space Station Leak
May 17, 2013
A spacewalk has repaired a leak on the International Space Station, NASA said.
Where Winter Won't End
May 18, 2013
Spring warmth has arrived in most of the U.S., except this state.
Storm Damage near Shreveport
May 16, 2013
Storm storms leave damage near Shreveport, Louisiana. See photos and tweets.
Texas Tornadoes: As They Happened
May 18, 2013
We walk through the full timeline of the Texas tornadoes on May 15, 2013.
By Man or Nature, Places That Will Never Be the Same
May 16, 2013
Where Earth has been changed forever.
Smaller Glaciers Boost Sea Level as Much as the Giants
May 16, 2013
Thousands of small glaciers, unconnected to continental-scale ice sheets, have dumped about 260 million tons of meltwater into the ocean annually between 2003 and 2009.
Deadly Texas Outbreak May Mark End of Tornado Drought
May 16, 2013
After months with record-low activity, the 2013 tornado season roared back with a vengeance on Wednesday as at least 10 twisters touched down across portions of north-central Texas, killing at least 6 and injuring dozens more.
Alaska Volcano Shoots Ash 15,000 Feet into Air
May 18, 2013
Steam and ash clouds are occasionally rising to 20,000 feet from an active Alaska volcano.
Mexico Volcano Registers More Seismic Activity
May 16, 2013
Seismic activity is continuing at the Popocatepetl volcano near Mexico City and authorities say they have readied shelters and identified evacuation routes in case they should be needed.
Cyclone Mahasen Weakens After Killing 45 in Bangladesh
May 16, 2013
Cyclone Mahasan weakened Thursday afternoon into a tropical storm and then dissipated, causing far less damage than had been feared as it passed over Bangladesh and spared Myanmar almost entirely, meteorological officials said.
Worldwide Cleanup Reveals Trashed Beaches (PHOTOS)
May 17, 2013
The Ocean Conservancy releases stunning photos from its recent international beach cleanup day.
More News Articles
Weather Summary
Kari Kiefer
Weather Underground Forecast for Sunday, May 19, 2013.

Severe thunderstorm activity will persist for the Plains on Sunday as a broad low pressure system continues trekking through the region. The system will move from the Northern Plains and into the Great Lakes, creating two frontal boundaries. The warm front associated with this system will extend eastward over the Great Lakes and into the Northeast, kicking up scattered showers and thunderstorms into Sunday night. At the same time, a cold front extends southward from this system which will move off the Central Rockies and into the Central and Southern Plains. Counter-clockwise flow around this broad system will pull moisture and energy into the Plains from the Gulf of Mexico. This will support moderate to heavy showers and thunderstorms in between these two fronts. This system has a history of severe thunderstorm development across the Northern and Central Plains, thus, there is a moderate risk of severe thunderstorm development with large hail, damaging winds, and multiple tornadoes. These severe thunderstorms will most likely develop across central and eastern Oklahoma, through eastern Kansas, and into western Missouri. A slight risk of severe storm development remains in effect from northern Texas, through southern Minnesota and Wisconsin on Sunday. At the same time, the back side of this system will continue spreading moisture over the Intermountain West and Rockies. This will trigger more showers with isolated thunderstorms over the region through Sunday evening.

Meanwhile in the East, a trough of low pressure slowly moves over the East Coast and maintains shower and thunderstorm activity for the Mid-Atlantic states through the Northeast.
Weather Underground Forecast for Sunday, May 19, 2013.

Severe thunderstorm activity will persist for the Plains on Sunday as a broad low pressure system continues trekking through the region. The system will move from the Northern Plains and into the Great Lakes, creating two frontal boundaries. The warm front associated with this system will extend eastward over the Great Lakes and into the Northeast, kicking up scattered showers and thunderstorms into Sunday night. At the same time, a cold front extends southward from this system which will move off the Central Rockies and into the Central and Southern Plains. Counter-clockwise flow around this broad system will pull moisture and energy into the Plains from the Gulf of Mexico. This will support moderate to heavy showers and thunderstorms in between these two fronts. This system has a history of severe thunderstorm development across the Northern and Central Plains, thus, there is a moderate risk of severe thunderstorm development with large hail, damaging winds, and multiple tornadoes. These severe thunderstorms will most likely develop across central and eastern Oklahoma, through eastern Kansas, and into western Missouri. A slight risk of severe storm development remains in effect from northern Texas, through southern Minnesota and Wisconsin on Sunday. At the same time, the back side of this system will continue spreading moisture over the Intermountain West and Rockies. This will trigger more showers with isolated thunderstorms over the region through Sunday evening.

Meanwhile in the East, a trough of low pressure slowly moves over the East Coast and maintains shower and thunderstorm activity for the Mid-Atlantic states through the Northeast.
More News Articles

Chantilly Weather at a Glance

Updated 4:58 PM EDT
Elevation
203 ft
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Now
Mostly Cloudy
Mostly Cloudy
Temperature
77.0 °F
Feels Like 79 °F
Wind(mph)
3.1
Sunrise / Set
5:53 AM
8:19 PM
Moon
Waxing Gibbous
Tonight
Rain Showers 64 °F
Rain Showers
60% chance of precipitation
Tomorrow
Chance of a Thunderstorm 84 °F
Chance of T-storms
40% chance of precipitation
Tomorrow Night
Partly Cloudy 66 °F
Partly Cloudy
Tuesday
Partly Cloudy 88 | 68 °F
Partly Cloudy
Wednesday
Chance of a Thunderstorm 91 | 68 °F
Chance of a Thunderstorm
20% chance of precipitation
Thursday
Partly Cloudy 86 | 66 °F
Partly Cloudy
Tomorrow is forecast to be Warmer than today.
Conditions
Pressure
30.11 in
Visibility
10.0 miles
Clouds
Few 2200 ft
Scattered Clouds 4000 ft
Mostly Cloudy 7000 ft
Moisture
Humidity
67%
Rainfall
0.00 in
Snow Depth
Not available.
METAR
METAR KIAD 192052Z 18004KT 10SM FEW022 SCT040 BKN070 23/17 A3011 RMK AO2 SLP194 T02280172 56018
Don't speak METAR? Read our FAQ.
Weather Radio
Launch Weather Radio
Temperature
Heat Index
79 °F
Dew Point
65 °F
Wind
Speed / Dir
3.1 mph from South
Wind Gust
9.8 mph
Health
UV
3 out of 16
Pollen
.40 out of 12
Pollen Forecast
Ozone
Good
PM2.5
Good
Flu Activity
Sporadic
View Flu Map
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Source: BestForecast
Descriptive Forecast
Sunday Night
nt_rain Overcast with rain showers, then a chance of rain after midnight. Fog overnight. Low of 64F. Winds from the South at 5 to 10 mph. Chance of rain 60%.
Monday
chancetstorms Mostly cloudy with a chance of a thunderstorm and a chance of rain. High of 84F. Winds from the SSW at 5 to 10 mph. Chance of rain 40%.
Monday Night
nt_partlycloudy Partly cloudy. Low of 66F. Winds less than 5 mph.
Tuesday
partlycloudy Partly cloudy. High of 88F. Winds less than 5 mph.
Tuesday Night
nt_chancetstorms Mostly cloudy in the evening, then overcast with a chance of a thunderstorm and rain. Low of 68F. Winds less than 5 mph. Chance of rain 50%.
Wednesday
mostlycloudy Overcast in the morning, then mostly cloudy with a chance of a thunderstorm and rain. High of 91F. Winds from the South at 5 to 10 mph. Chance of rain 20%.
Wednesday Night
nt_partlycloudy Partly cloudy with a chance of a thunderstorm and rain. Low of 68F. Winds from the South at 5 to 10 mph. Chance of rain 20%.
Thursday
partlycloudy Mostly cloudy. High of 86F. Winds from the SSW at 10 to 15 mph.
Thursday Night
nt_chancetstorms Mostly cloudy with a chance of a thunderstorm. Low of 66F. Winds from the SSW at 5 to 10 mph. Chance of rain 60% with rainfall amounts near 0.2 in. possible.
Friday
chancetstorms Partly cloudy with a chance of a thunderstorm. High of 82F. Winds from the West at 5 to 10 mph. Chance of rain 50%.
Friday Night
nt_clear Clear with a chance of a thunderstorm. Low of 57F. Winds from the NNW at 5 to 10 mph. Chance of rain 20%.
Saturday
partlycloudy Partly cloudy. High of 73F. Winds from the North at 5 to 15 mph.
Saturday Night
nt_clear Clear. Low of 54F. Winds from the NNE at 5 to 10 mph.
Sunday
clear Clear. High of 73F. Winds from the NNE at 5 to 10 mph.
Sunday Night
nt_clear Clear. Low of 50F. Winds less than 5 mph.
Monday
partlycloudy Partly cloudy. High of 70F. Winds less than 5 mph.
Monday Night
nt_chancerain Mostly cloudy with a chance of rain. Low of 52F. Winds less than 5 mph. Chance of rain 50% with rainfall amounts near 0.4 in. possible.
Tuesday
chancerain Overcast with a chance of rain. High of 75F. Winds from the SE at 5 to 10 mph. Chance of rain 50%.
Tuesday Night
nt_chancetstorms Overcast with a chance of a thunderstorm. Fog overnight. Low of 57F. Winds from the SSE at 5 to 10 mph. Chance of rain 60% with rainfall amounts near 0.8 in. possible.
Wednesday
chancetstorms Mostly cloudy with a chance of a thunderstorm. High of 84F. Winds from the South at 5 to 10 mph. Chance of rain 40%.
Wednesday Night
nt_partlycloudy Clear with a chance of a thunderstorm. Low of 57F. Winds less than 5 mph. Chance of rain 20%.
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Weather Forecast for Chantilly VA

View Calendar 10-Day Forecast for station KVACHANT3

Sunday, 19
Rain Showers
79 | 64 °F
Rain Showers
Chance of
Precipitation
70%
Monday, 20
Chance of a Thunderstorm
84 | 66 °F
Chance of T-storms
Chance of
Precipitation
40%
Tuesday, 21
Partly Cloudy
88 | 68 °F
Partly Cloudy
Chance of
Precipitation
10%
Wednesday, 22
Chance of a Thunderstorm
91 | 68 °F
Chance of a Thunderstorm
Chance of
Precipitation
20%
Thursday, 23
Partly Cloudy
86 | 66 °F
Partly Cloudy
Chance of
Precipitation
0%
Friday, 24
Chance of a Thunderstorm
82 | 57 °F
Chance of T-storms
Chance of
Precipitation
50%
Saturday, 25
Partly Cloudy
73 | 54 °F
Partly Cloudy
Chance of
Precipitation
0%
Sunday, 26
Clear
73 | 50 °F
Clear
Chance of
Precipitation
0%
Monday, 27
Partly Cloudy
70 | 52 °F
Partly Cloudy
Chance of
Precipitation
0%
Tuesday, 28
Chance of Rain
75 | 57 °F
Chance of Rain
Chance of
Precipitation
50%
Source: BestForecast at 9:39 AM EDT on May 19, 2013
Descriptive Forecast
Sunday Night
nt_rain Overcast with rain showers, then a chance of rain after midnight. Fog overnight. Low of 64F. Winds from the South at 5 to 10 mph. Chance of rain 60%.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 61 | 58 70 | 63 69 | 64 69 | 63
Wind 3 mph East 6 mph ESE 9 mph SSE 7 mph SSE
Humidity 90% 78% 81% 77%
Chance of Precip. 50% 70% 70% 60%
Cloud Cover 100% 100% 96% 97%
Conditions Rain Showers Rain Showers Rain Showers Chance of Rain
Sunrise & Sunset
5:53 AM
8:19 PM
The quality of the forecasted high temperature for this day is good. MaxT RMSE [1.88], Average RMSE [2.34]
The National Weather Service forecast quality is good. MaxT RMSE [1.99], Average RMSE [1.94] : Use NWS
Source: BestForecast at 9:39 AM EDT on May 19, 2013
Descriptive Forecast
Monday
chancetstorms Mostly cloudy with a chance of a thunderstorm and a chance of rain. High of 84F. Winds from the SSW at 5 to 10 mph. Chance of rain 40%.
Monday Night
nt_partlycloudy Partly cloudy. Low of 66F. Winds less than 5 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 67 | 63 76 | 64 78 | 64 71 | 63
Wind 8 mph South 7 mph SSW 8 mph SSW 4 mph SSW
Humidity 86% 64% 60% 76%
Chance of Precip. 60% 40% 40% 10%
Cloud Cover 100% 82% 75% 68%
Conditions Chance of Rain Chance of a Thunderstorm Chance of a Thunderstorm Mostly Cloudy
Sunrise & Sunset
5:53 AM
8:20 PM
The quality of the forecasted high temperature for this day is good. MaxT RMSE [2.16], Average RMSE [2.78]
The National Weather Service forecast quality is fair. MaxT RMSE [2.88], Average RMSE [2.20] : Use NWS
Source: BestForecast at 9:39 AM EDT on May 19, 2013
Descriptive Forecast
Tuesday
partlycloudy Partly cloudy. High of 88F. Winds less than 5 mph.
Tuesday Night
nt_chancetstorms Mostly cloudy in the evening, then overcast with a chance of a thunderstorm and rain. Low of 68F. Winds less than 5 mph. Chance of rain 50%.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 69 | 63 81 | 66 85 | 66 73 | 69
Wind 2 mph SW 2 mph WSW 2 mph SW 5 mph SSE
Humidity 82% 59% 52% 88%
Chance of Precip. 10% 10% 10% 10%
Cloud Cover 59% 44% 54% 83%
Conditions Partly Cloudy Partly Cloudy Partly Cloudy Mostly Cloudy
Sunrise & Sunset
5:52 AM
8:20 PM
The quality of the forecasted high temperature for this day is good. MaxT RMSE [2.43], Average RMSE [1.94]
The National Weather Service forecast quality is fair. MaxT RMSE [3.06], Average RMSE [2.82] : Use NWS
Source: BestForecast at 9:39 AM EDT on May 19, 2013
Descriptive Forecast
Wednesday
mostlycloudy Overcast in the morning, then mostly cloudy with a chance of a thunderstorm and rain. High of 91F. Winds from the South at 5 to 10 mph. Chance of rain 20%.
Wednesday Night
nt_partlycloudy Partly cloudy with a chance of a thunderstorm and rain. Low of 68F. Winds from the South at 5 to 10 mph. Chance of rain 20%.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 69 | 67 82 | 71 84 | 72 72 | 66
Wind 4 mph SE 8 mph South 9 mph SSW 9 mph South
Humidity 95% 68% 66% 82%
Chance of Precip. 40% 10% 20% 10%
Cloud Cover 96% 95% 54% 28%
Conditions Chance of a Thunderstorm Overcast Chance of a Thunderstorm Partly Cloudy
Sunrise & Sunset
5:51 AM
8:21 PM
The quality of the forecasted high temperature for this day is fair. MaxT RMSE [2.65], Average RMSE [2.97]
The National Weather Service forecast quality is fair. MaxT RMSE [3.42], Average RMSE [3.02] : Use NWS
Source: BestForecast at 9:39 AM EDT on May 19, 2013
Descriptive Forecast
Thursday
partlycloudy Mostly cloudy. High of 86F. Winds from the SSW at 10 to 15 mph.
Thursday Night
nt_chancetstorms Mostly cloudy with a chance of a thunderstorm. Low of 66F. Winds from the SSW at 5 to 10 mph. Chance of rain 60% with rainfall amounts near 0.2 in. possible.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 70 | 64 77 | 65 79 | 67 70 | 67
Wind 10 mph SSW 12 mph SSW 12 mph SSW 9 mph SSW
Humidity 83% 64% 65% 87%
Chance of Precip. 10% 10% 10% 20%
Cloud Cover 24% 88% 44% 84%
Conditions Clear Mostly Cloudy Partly Cloudy Chance of a Thunderstorm
Sunrise & Sunset
5:50 AM
8:22 PM
The quality of the forecasted high temperature for this day is poor. MaxT RMSE [3.66], Average RMSE [2.96]
The National Weather Service forecast quality is poor. MaxT RMSE [3.79], Average RMSE [3.17] : Use NWS
Source: BestForecast at 9:39 AM EDT on May 19, 2013
Descriptive Forecast
Friday
chancetstorms Partly cloudy with a chance of a thunderstorm. High of 82F. Winds from the West at 5 to 10 mph. Chance of rain 50%.
Friday Night
nt_clear Clear with a chance of a thunderstorm. Low of 57F. Winds from the NNW at 5 to 10 mph. Chance of rain 20%.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 67 | 63 76 | 65 79 | 64 65 | 59
Wind 7 mph SSW 5 mph West 9 mph NW 9 mph NNW
Humidity 90% 70% 62% 77%
Chance of Precip. 30% 20% 20% 10%
Cloud Cover 47% 59% 27% 1%
Conditions Chance of Rain Chance of Rain Chance of Rain Clear
Sunrise & Sunset
5:50 AM
8:23 PM
The quality of the forecasted high temperature for this day is poor. MaxT RMSE [4.20], Average RMSE [2.92]
The National Weather Service forecast quality is poor. MaxT RMSE [3.76], Average RMSE [3.18] : Use NWS
Source: BestForecast at 9:39 AM EDT on May 19, 2013
Descriptive Forecast
Saturday
partlycloudy Partly cloudy. High of 73F. Winds from the North at 5 to 15 mph.
Saturday Night
nt_clear Clear. Low of 54F. Winds from the NNE at 5 to 10 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 60 | 51 68 | 52 72 | 53 60 | 48
Wind 10 mph NW 10 mph North 7 mph NNE 2 mph North
Humidity 72% 54% 51% 66%
Chance of Precip. 10% 0% 0% 0%
Cloud Cover 7% 69% 0% 0%
Conditions Clear Mostly Cloudy Clear Clear
Sunrise & Sunset
5:49 AM
8:24 PM
The quality of the forecasted high temperature for this day is poor. MaxT RMSE [5.94], Average RMSE [2.42]
The National Weather Service forecast quality is fair. MaxT RMSE [3.37], Average RMSE [3.10] : Use NWS
Source: BestForecast at 9:39 AM EDT on May 19, 2013
Descriptive Forecast
Sunday
clear Clear. High of 73F. Winds from the NNE at 5 to 10 mph.
Sunday Night
nt_clear Clear. Low of 50F. Winds less than 5 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 57 | 41 66 | 37 71 | 41 53 | 45
Wind 7 mph North 6 mph NNE 5 mph NE 3 mph ENE
Humidity 52% 35% 34% 71%
Chance of Precip. 0% 0% 0% 0%
Cloud Cover 0% 0% 0% 3%
Conditions Clear Clear Clear Clear
Sunrise & Sunset
5:49 AM
8:25 PM
The quality of the forecasted high temperature for this day is poor. MaxT RMSE [5.54], Average RMSE [4.50]
Source: BestForecast at 9:39 AM EDT on May 19, 2013
Descriptive Forecast
Monday
partlycloudy Partly cloudy. High of 70F. Winds less than 5 mph.
Monday Night
nt_chancerain Mostly cloudy with a chance of rain. Low of 52F. Winds less than 5 mph. Chance of rain 50% with rainfall amounts near 0.4 in. possible.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 54 | 45 65 | 47 65 | 51 59 | 53
Wind 3 mph NE 4 mph ENE 4 mph ESE 4 mph SE
Humidity 70% 51% 59% 79%
Chance of Precip. 0% 0% 0% 10%
Cloud Cover 11% 28% 56% 74%
Conditions Clear Partly Cloudy Partly Cloudy Mostly Cloudy
Sunrise & Sunset
5:48 AM
8:25 PM
The quality of the forecasted high temperature for this day is poor. MaxT RMSE [5.72], Average RMSE [4.71]
Source: BestForecast at 9:39 AM EDT on May 19, 2013
Descriptive Forecast
Tuesday
chancerain Overcast with a chance of rain. High of 75F. Winds from the SE at 5 to 10 mph. Chance of rain 50%.
Tuesday Night
nt_chancetstorms Overcast with a chance of a thunderstorm. Fog overnight. Low of 57F. Winds from the SSE at 5 to 10 mph. Chance of rain 60% with rainfall amounts near 0.8 in. possible.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 56 | 54 67 | 56 69 | 59 62 | 60
Wind 3 mph SE 5 mph SE 6 mph SSE 6 mph SSE
Humidity 92% 66% 70% 90%
Chance of Precip. 10% 10% 10% 10%
Cloud Cover 83% 89% 93% 95%
Conditions Mostly Cloudy Overcast Overcast Overcast
Sunrise & Sunset
5:48 AM
8:26 PM
Source: BestForecast at 9:39 AM EDT on May 19, 2013
Descriptive Forecast
Wednesday
chancetstorms Mostly cloudy with a chance of a thunderstorm. High of 84F. Winds from the South at 5 to 10 mph. Chance of rain 40%.
Wednesday Night
nt_partlycloudy Clear with a chance of a thunderstorm. Low of 57F. Winds less than 5 mph. Chance of rain 20%.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 60 | 60 72 | 63 75 | 67 70 | 65
Wind 5 mph SSE 5 mph South 6 mph South 5 mph South
Humidity 99% 74% 75% 85%
Chance of Precip. 10% 10% 10% 10%
Cloud Cover 97% 91% 77% %
Conditions Fog Overcast Mostly Cloudy Clear
Sunrise & Sunset
Sun does not rise
Scientific Forecaster Discussion — MOS Weather Graph
Nearby
History & Almanac
May 19, 2013 Max Temp Min Temp
Normal (KIAD) 76 °F 52 °F
Record (KIAD) 92 °F (1997) 36 °F (2002)
Yesterday 68 °F 59 °F
Yesterday's Heating Degree Days: 1
Choose a date
Earthquake Activity
City Distance Mag. Time & Date
No recent earthquake activity has been reported nearby.
Minimum magnitude displayed is 2.5.
More information at USGS.gov
Air Quality
  Air Quality AQ Index Pollutant
Yesterday Good
OZONE
Yesterday Good
PM10
Current Good
PM2.5
Current Good
OZONE
Sunday Good
OZONE
Sunday Good
PM2.5
Monday Good
OZONE
Monday Good
PM2.5
Coastal Water Temperatures
Place Temperature
Washington, DC 64.9 °F
Lewisetta, VA 68.0 °F
Solomons Island, MD 68.0 °F
Marine Forecast
Astronomy
May. 19, 2013 Rise Set
Actual Time 5:53 AM EDT 8:19 PM EDT
Civil Twilight 5:23 AM EDT 8:49 PM EDT
Nautical Twilight 4:45 AM EDT 9:27 PM EDT
Astronomical Twilight 4:04 AM EDT 10:09 PM EDT
Moon 2:24 PM EDT 2:12 AM EDT
Length Of Visible Light 15h 26m
Length of Day
14h 25m
Tomorrow will be 1m 36s longer.
Waxing Gibbous, 67% of the Moon is Illuminated
Today
Waxing Gibbous
May 25
Full
May 31
Last Quarter
Jun 8
New
Jun 16
First Quarter
Visit Astronomy
Today's Extremes
State Highs State Lows
82 °F
Abingdon
82 °F
Franklin
80 °F
Suffolk
80 °F
Chesapeake
80 °F
Oceana NAS
55 °F
Hot Springs
55 °F
Winchester
59 °F
Orange
59 °F
Dulles Airport
59 °F
Fort Belvoir
Record Extremes
Snow Depth
Station Depth Elevation
No new snow has been reported.
Snow Depth Reports — Snow Depth Map
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Aviation
City Temp. Conditions Updated
Dulles Airport 73 °F Mostly Cloudy 4:52 PM EDT
Manassas 70 °F Overcast 1:45 PM EDT
Leesburg 73 °F Mostly Cloudy 4:35 PM EDT
Fort Belvoir 75 °F Mostly Cloudy 3:58 PM EDT
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Flight To ETA Status
ASQ3854
Newark, NJ 		KIAD 04:58PM On Time
AAL76
Los Angeles, CA 		KIAD 05:02PM On Time
SKW5218
Houston, TX 		KIAD 05:07PM On Time
TCF3491
Toronto, Ontario 		KIAD 05:09PM On Time
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Type Condition
Flight Rule: VFR (KIAD)
Wind Speed: 4.0 kts.
Wind Dir: 180° (South)
Ceiling: 7000 ft

METAR KIAD 192052Z 18004KT 10SM FEW022 SCT040 BKN070 23/17 A3011 RMK AO2 SLP194 T02280172 56018

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Nearby Events
Event Date Forecast
Jason Masi 9:00 PM EDT
2013-04-16		 Chance of Rain, 69°F
Acoustic Tuesday 9:00 PM EDT
2013-04-16		 Chance of Rain, 69°F
Ringling Bros. and Barnum & Bailey: Dragons 7:00 PM EDT
2013-04-18		 Chance of a Thunderstorm, 73°F
Ringling Bros. and Barnum & Bailey: Dragons 7:00 PM EDT
2013-04-19		 Thunderstorm, 65°F
Ringling Bros. and Barnum & Bailey: Dragons 1:00 PM EDT
2013-04-19		 Overcast, 73°F
Austin Ellis Live 9:00 PM EDT
2013-04-19		 Chance of Rain, 76°F
Event data courtesy eviesays.com
Sports
Event Date Forecast
Mariners vs. Indians 1:05 PM EDT on May 19, 2013 Partly Cloudy, 74 °F
Blue Jays vs. Yankees 1:05 PM EDT on May 19, 2013 Chance of Rain, 61 °F
Phillies vs. Nationals 7:05 PM EDT on May 24, 2013 Partly Cloudy, 72 °F
Phillies vs. Nationals 7:15 PM EDT on May 25, 2013 Partly Cloudy, 67 °F
Event Date Forecast
SC Heerenveen vs. FC Utrecht 4:30 PM CEST on May 19, 2013 Clear, High 64° F/ 18° C
Everton vs. Chelsea 4:00 PM BST on May 19, 2013 Overcast, High 66° F/ 19° C
Sporting Kansas City vs. D.C. 5:00 PM EDT on May 19, 2013 Rain Showers, 72 °F
Portland vs. D.C. 7:00 PM EDT on May 25, 2013 Partly Cloudy, 65 °F
Event Date Forecast
Coca-Cola 600 6:16 PM EDT on May 26, 2013 Average High 79° F/ 26° C
FedEx 400 benefiting Autism Speaks 1:15 PM EDT on June 02, 2013 Average High 81° F/ 27° C
Event Date Forecast
Crowne Plaza Invitational at Colonial 8:30 AM CDT on May 23, 2013 Partly Cloudy, 67 °F
Crowne Plaza Invitational at Colonial 8:30 AM CDT on May 24, 2013 Partly Cloudy, 68 °F
AT&T National 8:30 AM EDT on June 27, 2013 Average High 87° F/ 30° C
AT&T National 8:30 AM EDT on June 28, 2013 Average High 86° F/ 29° C
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Weather Stations
Station Location Temp. Heat Index Dew Point Humidity Wind Precipitation Elevation Updated Type Website
Wind Power Cube, Chantilly, VA 77.0 °F 79 °F 65 °F 67% South  at  3.1 mph 0.00 in / hr 203 ft 4:58 PM EDT Normal  
Ridings at Blue Springs, Chantilly, VA 73.7 °F 74 °F 66 °F 78% SSW  at  0.0 mph 0.00 in / hr 303 ft 4:56 PM EDT Normal
CENTREweather, Centreville, VA 73.5 °F 74 °F 66 °F 77% North  at  0.0 mph 0.00 in / hr 262 ft 4:58 PM EDT Rapid Fire
Chantilly Highlands, Herndon, VA 75.2 °F 76 °F 68 °F 77% East  at  2.2 mph 0.00 in / hr 340 ft 4:58 PM EDT Rapid Fire  
Centreville, VA, Centreville, VA 78.1 °F 80 °F 66 °F 66% SSW  at  3.2 mph - / hr 351 ft 4:44 PM EDT Normal  
APRSWXNET Centreville VA , Centreville, VA 75 °F 76 °F 67 °F 75% SSW  at  0 mph 0.00 in / hr 308 ft 4:28 PM EDT MADIS
Cedar Crest, Chantilly, VA 72.4 °F 72 °F 67 °F 84% South  at  0.0 mph 0.00 in / hr 292 ft 4:49 PM EDT Normal  
NonFedAWOS WASHINGTON DULLES , Dulles, VA 72 °F 74 °F 62 °F 71% South  at  3 mph 0.00 in / hr 1023 ft 3:52 PM EDT MADIS
Little Rocky Run, Centreville, VA 75.0 °F 76 °F 66 °F 74% SSW  at  0.0 mph 0.00 in / hr 308 ft 4:57 PM EDT Rapid Fire  
Folkstone, Oak Hill, VA 71.2 °F - 68 °F 89% WNW  at  2.0 mph 0.00 in / hr 375 ft 3:01 PM EDT Rapid Fire  
Little Rocky Run, Clifton, VA 74.5 °F 76 °F 66 °F 76% SW  at  0.7 mph 0.00 in / hr 302 ft 4:57 PM EDT Rapid Fire  
Fox Mill, Herndon, VA 73.9 °F 77 °F 52 °F 46% WNW  at  0.0 mph 0.00 in / hr 383 ft 4:57 PM EDT Normal  
Kirkpatrick Farms, Aldie, VA 75.6 °F 77 °F 67 °F 74% South  at  0.0 mph 0.00 in / hr 358 ft 4:45 PM EDT Normal
Westgate, Manassas, VA 76.0 °F 77 °F 67 °F 73% West  at  0.0 mph 0.00 in / hr 178 ft 4:58 PM EDT Rapid Fire
VADOT Site_G, Herndon, VA 74 °F 77 °F 60 °F 62% South  at  7 mph 0.00 in / hr 339 ft 4:24 PM EDT MADIS
VADOT Site_C, Oakton, VA 76 °F 78 °F 62 °F 61% North  at  - 0.00 in / hr 290 ft 4:27 PM EDT MADIS
Cedar Cove Cluster, Reston, VA 73.6 °F 74 °F 66 °F 77% SSE  at  0.0 mph 0.00 in / hr 350 ft 4:58 PM EDT Rapid Fire  
Brambleton, Brambleton, VA 75.2 °F 76 °F 67 °F 76% West  at  0.0 mph 0.00 in / hr 310 ft 4:57 PM EDT Rapid Fire  
Brambleton, Ashburn, VA 74.1 °F 74 °F 68 °F 80% North  at  2.2 mph - / hr 358 ft 4:43 PM EDT Normal  
Rosehaven Estates, Fairfax, VA 75.8 °F 77 °F 68 °F 76% East  at  0.0 mph 0.10 in / hr 470 ft 4:45 PM EDT Normal  
Golf Course Island, Reston, VA 73.3 °F 75 °F 64 °F 72% SE  at  0.0 mph 0.00 in / hr 390 ft 4:57 PM EDT Rapid Fire  
VADOT Site_E, Oakton, VA 78 °F 80 °F 63 °F 61% North  at  - 0.00 in / hr 353 ft 4:30 PM EDT MADIS
Compass Rose Farm, Haymarket, VA 72.3 °F 72 °F 67 °F 82% South  at  0.0 mph 0.00 in / hr 350 ft 4:57 PM EDT Rapid Fire  
Cobbdale, Fairfax, VA 73.3 °F 75 °F 63 °F 69% ESE  at  1.0 mph - / hr 394 ft 4:46 PM EDT Normal  
Oak Valley/KT4ER, Gainesville, VA 72.8 °F 73 °F 67 °F 82% East  at  0.0 mph 0.00 in / hr 496 ft 4:58 PM EDT Rapid Fire  
Hawk Ridge Subdivision, Reston, VA 73.2 °F 74 °F 65 °F 75% NNE  at  0.0 mph 0.00 in / hr 300 ft 4:50 PM EDT Normal
Oak Valley / Yewing, Gainesville, VA 72.2 °F 72 °F 66 °F 82% WSW  at  0.0 mph 0.00 in / hr 370 ft 4:55 PM EDT Normal  
APRSWXNET Reston VA , Herndon, VA 74 °F 75 °F 66 °F 77% SSW  at  1 mph 0.00 in / hr 400 ft 4:34 PM EDT MADIS
Trott Ave, Vienna, VA 76.1 °F 77 °F 69 °F 79% South  at  0.0 mph - / hr 415 ft 4:51 PM EDT Normal  
APRSWXNET Reston VA , Herndon, VA 72 °F 72 °F 65 °F 80% SSW  at  0 mph 0.00 in / hr 454 ft 4:33 PM EDT MADIS
Sangsters Court, Clifton, VA 72.8 °F 73 °F 67 °F 81% ESE  at  1.0 mph 0.00 in / hr 375 ft 4:48 PM EDT Normal  
Villa D'este, Fairfax, VA 76.1 °F 78 °F 66 °F 72% NW  at  0.0 mph 0.00 in / hr 354 ft 4:53 PM EDT Normal  
Shaker Woods, Herndon, VA 73.6 °F 75 °F 66 °F 76% SE  at  3.1 mph 0.00 in / hr 387 ft 4:58 PM EDT Rapid Fire  
Falls Brook, Herndon, VA 74.0 °F 75 °F 67 °F 79% WSW  at  0.0 mph 0.00 in / hr 280 ft 4:50 PM EDT Normal  
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