Hourly Weather Forecast for Wednesday

Chantilly, Virginia (20151)
Source 
Forecast data derived from Weather Underground BestForecast
12 AM 3 AM 6 AM 9 AM 12 PM 3 PM 6 PM 9 PM
Temperature / Dew Point (°F):
74 / 63
71 / 63
70 / 64
75 / 65
83 / 65
87 / 64
86 / 66
79 / 66
Humidity (%):
70% 76% 81% 70% 54% 47% 51% 65%
Pressure (in):
29.96 29.96 29.96 29.95 29.93 29.9 29.89 29.88
Wind (mph):
S
6 mph S
(183°)
S
4 mph S
(186°)
SSE
2 mph SSE
(150°)
S
4 mph S
(180°)
SSE
7 mph SSE
(160°)
SSW
9 mph SSW
(196°)
SSW
9 mph SSW
(202°)
S
6 mph S
(180°)
Conditions:
Chance of a Thunderstorm
Chance of a Thunderstorm
Chance of Rain
Chance of Rain
Mostly Cloudy
Chance of a Thunderstorm
Chance of a Thunderstorm
Thunderstorm
Probability of Precipitation (%):
30%
0.0 in
40%
0.0 in
40%
0.0 in
40%
0.0 in
20%
0.0 in
50%
0.02 in
50%
0.02 in
60%
0.02 in
Cloud Cover (%):
52% 58% 63% 66% 68% 68% 68% 75%
Sunday
clear Generally sunny despite a few afternoon clouds. High 84F. Winds SSW at 5 to 10 mph.
Sunday Night
nt_partlycloudy Partly cloudy. Low 63F. Winds S at 5 to 10 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 54 | 48 76 | 54 81 | 49 68 | 54
Wind 2 mph SSE 6 mph SSW 7 mph SW 6 mph S
Humidity 80% 45% 33% 60%
Chance of Precip. 0% 0% 0% 0%
Cloud Cover 20% 22% 36% 46%
Conditions Clear Clear Partly Cloudy Partly Cloudy
Sunrise & Sunset
5:50 AM
8:23 PM
Monday
clear Mostly sunny skies. High 87F. Winds SSW at 10 to 20 mph.
Monday Night
nt_clear Mostly clear skies. Low around 65F. Winds S at 10 to 15 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 64 | 55 81 | 55 84 | 51 73 | 53
Wind 6 mph S 14 mph SSW 13 mph SSW 8 mph S
Humidity 74% 41% 32% 51%
Chance of Precip. 0% 0% 0% 0%
Cloud Cover 26% 22% 22% 20%
Conditions Clear Clear Clear Clear
Sunrise & Sunset
5:50 AM
8:23 PM
Tuesday
partlycloudy Sunshine and clouds mixed. High 92F. Winds SSW at 10 to 15 mph.
Tuesday Night
nt_partlycloudy A few clouds. Low 69F. Winds S at 10 to 15 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 66 | 57 84 | 62 88 | 60 75 | 63
Wind 7 mph S 10 mph SSW 12 mph SSW 8 mph S
Humidity 71% 47% 38% 65%
Chance of Precip. 0% 0% 10% 0%
Cloud Cover 29% 32% 50% 44%
Conditions Clear Partly Cloudy Partly Cloudy Partly Cloudy
Sunrise & Sunset
5:49 AM
8:24 PM
Wednesday
chancetstorms Scattered showers and thunderstorms. High near 90F. Winds SW at 10 to 15 mph. Chance of rain 40%.
Wednesday Night
nt_chancetstorms Mostly cloudy with showers and a few thunderstorms. Low 67F. Winds SSW at 5 to 10 mph. Chance of rain 40%.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 70 | 62 86 | 66 84 | 68 74 | 68
Wind 6 mph S 9 mph SSW 8 mph WSW 5 mph SSW
Humidity 75% 51% 59% 81%
Chance of Precip. 40% 20% 40% 20%
Cloud Cover 50% 25% 68% 51%
Conditions Chance of Rain Clear Chance of a Thunderstorm Partly Cloudy
Sunrise & Sunset
5:48 AM
8:25 PM
Thursday
chancetstorms Scattered thunderstorms. High 87F. Winds SW at 5 to 10 mph. Chance of rain 50%.
Thursday Night
nt_chancetstorms Mostly cloudy with scattered thunderstorms mainly before midnight. Low 66F. Winds light and variable. Chance of rain 50%.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 68 | 66 83 | 66 83 | 66 70 | 65
Wind 2 mph SW 4 mph SSW 5 mph W 3 mph SSE
Humidity 91% 56% 57% 82%
Chance of Precip. 20% 50% 50% 10%
Cloud Cover 70% 56% 72% 72%
Conditions Mostly Cloudy Chance of a Thunderstorm Chance of a Thunderstorm Mostly Cloudy
Sunrise & Sunset
5:48 AM
8:26 PM
Friday
chancetstorms Scattered thunderstorms. High 87F. Winds SSE at 5 to 10 mph. Chance of rain 50%.
Friday Night
nt_chancetstorms Scattered thunderstorms during the evening, then partly cloudy overnight. Low 68F. Winds S at 5 to 10 mph. Chance of rain 50%.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 67 | 66 84 | 68 84 | 65 73 | 67
Wind 2 mph SE 7 mph SSE 7 mph SSE 5 mph S
Humidity 96% 59% 52% 83%
Chance of Precip. 20% 40% 50% 10%
Cloud Cover 65% 50% 50% 45%
Conditions Mostly Cloudy Chance of a Thunderstorm Chance of a Thunderstorm Partly Cloudy
Sunrise & Sunset
5:47 AM
8:26 PM
Saturday
chancetstorms Variable clouds with thunderstorms, especially in the afternoon. High 92F. Winds SSW at 5 to 10 mph. Chance of rain 50%.
Saturday Night
nt_chancetstorms Scattered thunderstorms in the evening, with mostly clear skies overnight. Low near 70F. Winds light and variable. Chance of rain 50%.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 69 | 66 86 | 67 88 | 67 75 | 68
Wind 3 mph S 7 mph S 6 mph SSW 5 mph SSW
Humidity 89% 53% 51% 81%
Chance of Precip. 20% 10% 50% 20%
Cloud Cover 21% 58% 50% 33%
Conditions Clear Partly Cloudy Chance of a Thunderstorm Partly Cloudy
Sunrise & Sunset
5:47 AM
8:27 PM
Sunday
chancetstorms Mixed clouds and sun with scattered thunderstorms. High 89F. Winds SSW at 5 to 10 mph. Chance of rain 50%.
Sunday Night
nt_chancetstorms Variably cloudy with scattered thunderstorms. Low 69F. Winds SSE at 5 to 10 mph. Chance of rain 50%.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 71 | 67 84 | 67 83 | 69 73 | 68
Wind 2 mph S 6 mph SW 7 mph S 5 mph SSE
Humidity 89% 56% 63% 85%
Chance of Precip. 20% 50% 50% 40%
Cloud Cover 26% 50% 52% 51%
Conditions Clear Chance of a Thunderstorm Chance of a Thunderstorm Chance of a Thunderstorm
Sunrise & Sunset
5:46 AM
8:28 PM
Monday
chancetstorms Scattered thunderstorms. High 87F. Winds SW at 5 to 10 mph. Chance of rain 50%.
Monday Night
nt_chancetstorms Scattered thunderstorms during the evening, then partly cloudy overnight. Low 67F. Winds light and variable. Chance of rain 50%.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 70 | 66 82 | 66 83 | 65 72 | 64
Wind 2 mph SSE 6 mph N 7 mph W 4 mph SSW
Humidity 88% 59% 54% 77%
Chance of Precip. 30% 50% 50% 20%
Cloud Cover 35% 50% 50% 42%
Conditions Chance of a Thunderstorm Chance of a Thunderstorm Chance of a Thunderstorm Partly Cloudy
Sunrise & Sunset
5:46 AM
8:29 PM
Tuesday
chancetstorms Variable clouds with scattered showers and thunderstorms, mainly in the afternoon. High near 85F. Winds ENE at 5 to 10 mph. Chance of rain 50%.
Tuesday Night
nt_chancetstorms Partly to mostly cloudy skies with scattered thunderstorms before midnight. Low around 65F. Winds SE at 5 to 10 mph. Chance of rain 50%.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 68 | 63 80 | 61 81 | 63 69 | 61
Wind 3 mph NNE 4 mph NE 7 mph SSE 4 mph SSE
Humidity 84% 53% 53% 75%
Chance of Precip. 20% 30% 50% 20%
Cloud Cover 20% 54% 52% 47%
Conditions Clear Chance of a Thunderstorm Chance of a Thunderstorm Partly Cloudy
Sunrise & Sunset
5:46 AM
8:29 PM
Wednesday
chancetstorms Partial cloudiness early, with scattered showers and thunderstorms in the afternoon. High 88F. Winds ESE at 5 to 10 mph. Chance of rain 40%.
Wednesday Night
nt_chancetstorms Scattered thunderstorms in the evening, mainly cloudy late with a few showers. Low 68F. Winds SSE at 5 to 10 mph. Chance of rain 40%.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 67 | 62 82 | 62 84 | 63 72 | 64
Wind 2 mph ESE 6 mph E 9 mph SSE 6 mph SSE
Humidity 84% 51% 49% 75%
Chance of Precip. 20% 20% 40% 20%
Cloud Cover 35% 31% 50% 32%
Conditions Partly Cloudy Partly Cloudy Chance of a Thunderstorm Partly Cloudy
Sunrise & Sunset
Sun does not rise
Thursday
chancetstorms Showers early then scattered thunderstorms developing later in the day. High 88F. Winds SSE at 10 to 15 mph. Chance of rain 50%.
Thursday Night
nt_chancetstorms Scattered thunderstorms, especially in the evening. Low 69F. Winds S at 5 to 10 mph. Chance of rain 50%.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 69 | 64 83 | 64 85 | 66 74 | 65
Wind 2 mph SSE 8 mph SSE 10 mph S 6 mph S
Humidity 83% 54% 53% 76%
Chance of Precip. 30% 40% 50% 30%
Cloud Cover 40% 50% 50% 49%
Conditions Chance of Rain Chance of a Thunderstorm Chance of a Thunderstorm Chance of a Thunderstorm
Sunrise & Sunset
Sun does not rise
Friday
chancetstorms Variable clouds with scattered thunderstorms. High 89F. Winds SSE at 10 to 15 mph. Chance of rain 50%.
Friday Night
nt_chancetstorms Scattered showers and thunderstorms. Low 69F. Winds SSE at 5 to 10 mph. Chance of rain 50%.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 70 | 65 83 | 65 85 | 66 74 | 65
Wind 3 mph SSE 8 mph SSE 9 mph SSE 5 mph SSE
Humidity 86% 55% 53% 73%
Chance of Precip. 30% 30% 50% 40%
Cloud Cover 50% 46% 50% 50%
Conditions Chance of a Thunderstorm Chance of a Thunderstorm Chance of a Thunderstorm Chance of a Thunderstorm
Sunrise & Sunset
Sun does not rise
Saturday
chancetstorms Variable clouds with scattered thunderstorms. High 88F. Winds SE at 10 to 15 mph. Chance of rain 40%.
Saturday Night
nt_chancetstorms Variable clouds with thunderstorms, especially during the evening. Low 69F. Winds S at 5 to 10 mph. Chance of rain 40%.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 70 | 64 83 | 63 85 | 64 74 | 63
Wind 2 mph SE 8 mph ESE 11 mph SSE 6 mph S
Humidity 80% 53% 51% 70%
Chance of Precip. 40% 30% 40% 30%
Cloud Cover 59% 56% 50% 52%
Conditions Chance of a Thunderstorm Chance of a Thunderstorm Chance of a Thunderstorm Chance of a Thunderstorm
Sunrise & Sunset
Sun does not rise
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 70 | 64 83 | 63 85 | 64 60 | 43
Wind 2 mph SE 8 mph ESE 11 mph SSE 0 mph North
Humidity 80% 53% 51% 52%
Chance of Precip. 40% 30% 40% 0%
Cloud Cover 59% 56% 50% %
Conditions Chance of a Thunderstorm Chance of a Thunderstorm Chance of a Thunderstorm
Sunrise & Sunset
Sun does not rise