London, United Kingdom

7:37 AM BST on July 21, 2017 (GMT +0100)
Heathrow

Weather History for EGLL - April, 2017

Change the Weather History Date:

Friday, April 21, 2017

  Actual Average Record
Temperature  
Mean Temperature 52 °F -  
Max Temperature 60 °F 60 °F 77 °F (2011)
Min Temperature 45 °F 45 °F 30 °F (1997)
Degree Days  
Heating Degree Days 12    
Growing Degree Days 2 (Base 50)    
Moisture  
Dew Point 44 °F    
Average Humidity 69    
Maximum Humidity 95    
Minimum Humidity 38    
Precipitation  
Precipitation 0.00 in - - ()
Sea Level Pressure  
Sea Level Pressure 30.47 in    
Wind  
Wind Speed 5 mph ()    
Max Wind Speed 10 mph    
Max Gust Speed -    
Visibility 6.8 miles    
Events      
Averages and records for this station are not official NWS values.
T = Trace of Precipitation, MM = Missing Value Source: Averaged Metar Reports

Daily Weather History Graph

Daily Weather History Graph

Search for Another Location

Airport or City:

Trip Planner

Search our weather history database for the weather conditions in past years. The results will help you decide how hot, cold, wet, or windy it might be!

Date:

Astronomy

Apr. 21, 2017 Rise Set
Actual Time 5:53 AM BST 8:08 PM BST
Civil Twilight 5:17 AM BST 8:45 PM BST
Nautical Twilight 4:31 AM BST 9:31 PM BST
Astronomical Twilight 3:38 AM BST 10:24 PM BST
Moon 3:48 AM BST 1:51 PM BST
Length of Visible Light 15h 28m
Length of Day
14h 15m
Waning Crescent, 30% of the Moon is Illuminated
Apr 21
Waning Crescent
Apr 26
New
May 3
First Quarter
May 10
Full
May 19
Last Quarter

Hourly Weather History & Observations

Time (BST) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:20 AM 50.0 °F - 48.2 °F 94% 30.54 in 3.7 mi WNW 3.5 mph - N/A   Partly Cloudy
12:50 AM 48.2 °F - 46.4 °F 93% 30.54 in 3.7 mi WNW 4.6 mph - N/A   Unknown
1:00 AM 51 °F - 48 °F 87% 30.53 in 5 mi WNW 4.6 mph - -   Light Haze
1:20 AM 50.0 °F - 48.2 °F 94% 30.51 in 3.1 mi NW 3.5 mph - N/A   Haze
1:50 AM 48.2 °F - 46.4 °F 93% 30.51 in - NW 2.3 mph - N/A   Haze
2:00 AM 49 °F - 47 °F 92% 30.53 in 3 mi WNW 2.3 mph - -   Mist
2:20 AM 48.2 °F - 46.4 °F 93% 30.51 in 2.2 mi WNW 3.5 mph - N/A   Mist
2:50 AM 48.2 °F - 46.4 °F 93% 30.51 in 1.6 mi West 3.5 mph - N/A   Mist
3:20 AM 48.2 °F - 46.4 °F 93% 30.51 in 1.7 mi WSW 4.6 mph - N/A   Mist
3:50 AM 48.2 °F - 46.4 °F 93% 30.51 in - West 4.6 mph - N/A   Haze
4:00 AM 47 °F - 46 °F 95% 30.51 in 3 mi West 5.8 mph - -   Mist
4:20 AM 48.2 °F - 46.4 °F 93% 30.51 in 3.1 mi West 6.9 mph - N/A   Haze
4:50 AM 46.4 °F 44.3 °F 44.6 °F 93% 30.51 in 4.3 mi West 4.6 mph - N/A   Scattered Clouds
5:00 AM 45 °F - 44 °F 93% 30.50 in 5 mi West 4.6 mph - -   Light Haze
5:20 AM 48.2 °F - 44.6 °F 87% 30.48 in 5.6 mi West 4.6 mph - N/A   Scattered Clouds
5:50 AM 46.4 °F 45.2 °F 42.8 °F 87% 30.48 in 6.2 mi West 3.5 mph - N/A   Scattered Clouds
6:20 AM 46.4 °F 42.9 °F 42.8 °F 87% 30.48 in 6.2 mi West 6.9 mph - N/A   Scattered Clouds
6:50 AM 48.2 °F - 44.6 °F 87% 30.48 in 6.2 mi West 4.6 mph - N/A   Mostly Cloudy
7:00 AM 48 °F - 44 °F 82% 30.50 in 11 mi West 4.6 mph - -  
7:20 AM 50.0 °F - 44.6 °F 82% 30.51 in 6.2 mi West 5.8 mph - N/A   Overcast
7:50 AM 50.0 °F - 44.6 °F 82% 30.51 in 6.2 mi West 5.8 mph - N/A   Overcast
8:00 AM 49 °F - 45 °F 80% 30.51 in 12 mi West 4.6 mph - -   Overcast
8:20 AM 50.0 °F - 46.4 °F 87% 30.51 in 6.2 mi West 5.8 mph - N/A   Overcast
8:50 AM 51.8 °F - 46.4 °F 82% 30.51 in 6.2 mi WNW 4.6 mph - N/A   Overcast
9:00 AM 51 °F - 45 °F 74% 30.51 in 10 mi WNW 4.6 mph - -   Overcast
9:20 AM 51.8 °F - 46.4 °F 82% 30.51 in 6.2 mi West 5.8 mph - N/A   Overcast
9:50 AM 53.6 °F - 46.4 °F 77% 30.51 in 6.2 mi West 6.9 mph - N/A   Overcast
10:00 AM 53 °F - 45 °F 65% 30.51 in 11 mi WNW 5.8 mph - -   Overcast
10:20 AM 53.6 °F - 46.4 °F 77% 30.51 in 6.2 mi WNW 6.9 mph - N/A   Overcast
10:50 AM 55.4 °F - 46.4 °F 72% 30.51 in 6.2 mi WNW 5.8 mph - N/A   Unknown
11:00 AM 56 °F - 46 °F 61% 30.50 in 13 mi WNW 5.8 mph - -   Overcast
11:20 AM 57.2 °F - 48.2 °F 72% 30.51 in 6.2 mi WNW 6.9 mph - N/A   Unknown
11:50 AM 59.0 °F - 46.4 °F 63% 30.48 in 6.2 mi WNW 8.1 mph - N/A   Overcast
12:00 PM 59 °F - 43 °F 45% 30.49 in 16 mi WNW 8.1 mph - -   Overcast
12:20 PM 59.0 °F - 44.6 °F 59% 30.48 in 6.2 mi WNW 8.1 mph - N/A   Mostly Cloudy
12:50 PM 59.0 °F - 42.8 °F 55% 30.48 in 6.2 mi WNW 8.1 mph - N/A   Overcast
1:00 PM 59 °F - 42 °F 43% 30.48 in 22 mi NW 9.2 mph - -   Overcast
1:20 PM 60.8 °F - 41.0 °F 48% 30.45 in 6.2 mi WNW 10.4 mph - N/A   Overcast
1:50 PM 60.8 °F - 41.0 °F 48% 30.45 in 6.2 mi WNW 9.2 mph - N/A   Overcast
2:20 PM 59.0 °F - 41.0 °F 51% 30.45 in 6.2 mi NW 9.2 mph - N/A   Overcast
2:50 PM 59.0 °F - 41.0 °F 51% 30.45 in 6.2 mi WNW 9.2 mph - N/A   Overcast
3:00 PM 60 °F - 41 °F 38% 30.45 in 11 mi WNW 10.4 mph - -   Overcast
3:20 PM 59.0 °F - 42.8 °F 55% 30.45 in 6.2 mi NW 9.2 mph - N/A   Overcast
3:50 PM 59.0 °F - 42.8 °F 55% 30.42 in 6.2 mi NW 9.2 mph - N/A   Overcast
4:00 PM 59 °F - 42 °F 43% 30.44 in 28 mi WNW 8.1 mph - -   Overcast
4:20 PM 59.0 °F - 42.8 °F 55% 30.42 in 6.2 mi WNW 9.2 mph - N/A   Overcast
4:50 PM 59.0 °F - 42.8 °F 55% 30.42 in 6.2 mi WNW 8.1 mph - N/A   Overcast
5:00 PM 59 °F - 42 °F 42% 30.43 in 22 mi WNW 6.9 mph - -   Overcast
5:20 PM 57.2 °F - 42.8 °F 59% 30.42 in 6.2 mi WNW 8.1 mph - N/A   Overcast
5:50 PM 57.2 °F - 41.0 °F 55% 30.42 in 6.2 mi WNW 6.9 mph - N/A   Overcast
6:00 PM 58 °F - 41 °F 42% 30.42 in 25 mi WNW 8.1 mph - -   Overcast
6:20 PM 57.2 °F - 42.8 °F 59% 30.42 in 6.2 mi WNW 6.9 mph - N/A   Overcast
6:50 PM 57.2 °F - 42.8 °F 59% 30.42 in 6.2 mi NW 6.9 mph - N/A   Mostly Cloudy
7:00 PM 57 °F - 42 °F 46% 30.42 in 15 mi NNW 6.9 mph - -   Overcast
7:20 PM 57.2 °F - 42.8 °F 59% 30.42 in 6.2 mi NW 6.9 mph - N/A   Overcast
7:50 PM 55.4 °F - 42.8 °F 63% 30.42 in 6.2 mi NW 5.8 mph - N/A   Overcast
8:00 PM 56 °F - 42 °F 48% 30.42 in 25 mi NW 4.6 mph - -   Overcast
8:20 PM 55.4 °F - 42.8 °F 63% 30.42 in 6.2 mi NW 5.8 mph - N/A   Unknown
8:50 PM 55.4 °F - 42.8 °F 63% 30.42 in 6.2 mi NNW 5.8 mph - N/A   Overcast
9:00 PM 56 °F - 42 °F 49% 30.42 in 13 mi NNW 6.9 mph - -   Overcast
9:20 PM 55.4 °F - 42.8 °F 63% 30.42 in 6.2 mi WNW 4.6 mph - N/A   Overcast
9:50 PM 55.4 °F - 42.8 °F 63% 30.42 in 6.2 mi NW 5.8 mph - N/A   Overcast
10:00 PM 55 °F - 43 °F 53% 30.42 in 17 mi NW 4.6 mph - -   Overcast
10:20 PM 55.4 °F - 42.8 °F 63% 30.42 in 6.2 mi NW 5.8 mph - N/A   Overcast
10:50 PM 55.4 °F - 42.8 °F 63% 30.42 in 6.2 mi WNW 5.8 mph - N/A   Overcast
11:00 PM 55 °F - 42 °F 52% 30.41 in 12 mi WNW 4.6 mph - -   Light Haze
11:20 PM 53.6 °F - 42.8 °F 67% 30.42 in 6.2 mi WNW 5.8 mph - N/A   Overcast
11:50 PM 53.6 °F - 42.8 °F 67% 30.39 in 6.2 mi WNW 6.9 mph - N/A   Unknown