London, United Kingdom

8:54 AM BST on May 25, 2018 (GMT +0100)
Heathrow

Weather History for EGLL - March, 2013

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Wednesday, March 20, 2013

  Actual Average Record
Temperature  
Mean Temperature 40 °F -  
Max Temperature 44 °F 54 °F 59 °F (2003)
Min Temperature 35 °F 40 °F 33 °F (2003)
Degree Days  
Heating Degree Days 26    
Moisture  
Dew Point 35 °F    
Average Humidity 84    
Maximum Humidity 93    
Minimum Humidity 60    
Precipitation  
Precipitation 0.01 in - - ()
Sea Level Pressure  
Sea Level Pressure 29.75 in    
Wind  
Wind Speed 6 mph ()    
Max Wind Speed 9 mph    
Max Gust Speed -    
Visibility 3.6 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

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Astronomy

Mar. 20, 2013 Rise Set
Actual Time 6:04 AM GMT 6:15 PM GMT
Civil Twilight 5:31 AM GMT 6:48 PM GMT
Nautical Twilight 4:51 AM GMT 7:27 PM GMT
Astronomical Twilight 4:10 AM GMT 8:08 PM GMT
Moon 10:59 AM GMT (3/20) 2:11 AM GMT (3/20)
Length of Visible Light 13h 17m
Length of Day
12h 10m
First Quarter, 57% of the Moon is Illuminated
Mar 20
First Quarter
Mar 27
Full
Apr 3
Last Quarter
Apr 10
New
Apr 18
First Quarter

Hourly Weather History & Observations

Time (GMT) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:20 AM 35.6 °F 31.7 °F 33.8 °F 93% 29.53 in 3.1 mi NE 4.6 mph - N/A   Haze
12:50 AM 35.6 °F 30.7 °F 33.8 °F 93% 29.53 in - NE 5.8 mph - N/A   Haze
1:20 AM 35.6 °F 29.9 °F 33.8 °F 93% 29.53 in - NE 6.9 mph - N/A   Haze
1:50 AM 35.6 °F 30.7 °F 33.8 °F 93% 29.53 in - NE 5.8 mph - N/A   Haze
2:20 AM 35.6 °F 29.9 °F 33.8 °F 93% 29.53 in 3.7 mi NE 6.9 mph - N/A   Overcast
2:50 AM 36 °F - 34 °F 88% 29.54 in 5 mi NE 8.1 mph - -   Light Haze
2:50 AM 35.6 °F 29.9 °F 33.8 °F 93% 29.53 in 3.7 mi NE 6.9 mph - N/A   Overcast
3:20 AM 35.6 °F 31.7 °F 33.8 °F 93% 29.53 in 4.3 mi ENE 4.6 mph - N/A   Mostly Cloudy
3:50 AM 37.4 °F 33.8 °F 33.8 °F 87% 29.53 in 4.3 mi NNE 4.6 mph - N/A   Mostly Cloudy
4:20 AM 37.4 °F 33.8 °F 33.8 °F 87% 29.53 in 3.7 mi NNW 4.6 mph - N/A   Mostly Cloudy
4:50 AM 37.4 °F 33.8 °F 33.8 °F 87% 29.56 in 3.1 mi NNW 4.6 mph - N/A   Mostly Cloudy
5:20 AM 37.4 °F 34.9 °F 33.8 °F 87% 29.56 in - Variable 3.5 mph - N/A   Haze
5:50 AM 37 °F - 36 °F 92% 29.57 in 2 mi NNW 5.8 mph - -   Unknown Precipitation
5:50 AM 37.4 °F 33.8 °F 35.6 °F 93% 29.56 in 1.6 mi NW 4.6 mph - N/A   Haze
6:20 AM 37.4 °F 32.1 °F 35.6 °F 93% 29.59 in 1.4 mi NW 6.9 mph - N/A   Haze
6:50 AM 37.4 °F 32.8 °F 35.6 °F 93% 29.59 in 1.6 mi NNW 5.8 mph - N/A   Mostly Cloudy
7:20 AM 37.4 °F 33.8 °F 35.6 °F 93% 29.59 in 1.6 mi NNW 4.6 mph - N/A   Mostly Cloudy
7:50 AM 39.2 °F 35.9 °F 35.6 °F 87% 29.62 in 1.6 mi NNW 4.6 mph - N/A   Haze
8:20 AM 39.2 °F 37.0 °F 37.4 °F 93% 29.62 in 1.6 mi Variable 3.5 mph - N/A   Haze
8:50 AM 40 °F - 38 °F 88% 29.64 in 2 mi North 4.6 mph - -   Light Haze
8:50 AM 41.0 °F 37.1 °F 37.4 °F 87% 29.62 in 1.6 mi North 5.8 mph - N/A   Haze
9:20 AM 41.0 °F 37.1 °F 37.4 °F 87% 29.65 in 2.8 mi NNE 5.8 mph - N/A   Haze
9:50 AM 41.0 °F 36.4 °F 37.4 °F 87% 29.68 in 3.1 mi North 6.9 mph - N/A   Haze
10:20 AM 42.8 °F 39.3 °F 35.6 °F 76% 29.68 in 3.1 mi North 5.8 mph - N/A   Haze
10:50 AM 42.8 °F 38.6 °F 35.6 °F 76% 29.71 in 3.1 mi NNE 6.9 mph - N/A   Haze
11:20 AM 42.8 °F 38.0 °F 33.8 °F 70% 29.71 in 5.0 mi NNW 8.1 mph - N/A   Scattered Clouds
11:50 AM 44 °F - 35 °F 60% 29.73 in 4 mi North 8.1 mph - -   Light Haze
11:50 AM 44.6 °F 40.7 °F 35.6 °F 71% 29.71 in 5.0 mi North 6.9 mph - N/A   Mostly Cloudy
12:20 PM 42.8 °F 39.3 °F 35.6 °F 76% 29.74 in 4.3 mi North 5.8 mph - N/A   Mostly Cloudy
12:50 PM 42.8 °F 38.6 °F 35.6 °F 76% 29.77 in 4.3 mi NNW 6.9 mph - N/A   Mostly Cloudy
1:20 PM 42.8 °F 38.6 °F 35.6 °F 76% 29.77 in 4.3 mi NNW 6.9 mph - N/A   Mostly Cloudy
1:50 PM 42.8 °F 37.5 °F 37.4 °F 81% 29.77 in 3.1 mi North 9.2 mph - N/A   Haze
2:20 PM 41.0 °F 36.4 °F 37.4 °F 87% 29.80 in 2.5 mi North 6.9 mph - N/A   Haze
2:50 PM 42 °F - 37 °F 75% 29.82 in 3 mi NNW 6.9 mph - -   Light Haze
2:50 PM 41.0 °F 37.1 °F 35.6 °F 81% 29.80 in 3.1 mi North 5.8 mph - N/A   Haze
3:20 PM 42.8 °F 39.3 °F 35.6 °F 76% 29.83 in 3.7 mi NNE 5.8 mph - N/A   Mostly Cloudy
3:50 PM 42.8 °F 38.6 °F 35.6 °F 76% 29.83 in 4.3 mi NNE 6.9 mph - N/A   Mostly Cloudy
4:20 PM 41.0 °F 37.1 °F 35.6 °F 81% 29.83 in 5.0 mi NNE 5.8 mph - N/A   Overcast
4:50 PM 41.0 °F 36.4 °F 35.6 °F 81% 29.86 in 4.3 mi North 6.9 mph - N/A   Mostly Cloudy
5:20 PM 41.0 °F 36.4 °F 35.6 °F 81% 29.89 in 4.3 mi NE 6.9 mph - N/A   Mostly Cloudy
5:50 PM 39 °F - 35 °F 80% 29.91 in 4 mi NE 8.1 mph - -   Light Haze
5:50 PM 39.2 °F 34.2 °F 33.8 °F 81% 29.89 in 3.7 mi NE 6.9 mph - N/A   Mostly Cloudy
6:20 PM 39.2 °F 34.2 °F 33.8 °F 81% 29.92 in 3.1 mi NE 6.9 mph - N/A   Haze
6:50 PM 39.2 °F 34.2 °F 33.8 °F 81% 29.95 in 3.7 mi ENE 6.9 mph - N/A   Mostly Cloudy
7:20 PM 39.2 °F 34.2 °F 33.8 °F 81% 29.95 in 4.3 mi ENE 6.9 mph - N/A   Mostly Cloudy
7:50 PM 39.2 °F 35.0 °F 33.8 °F 81% 29.95 in 3.7 mi NE 5.8 mph - N/A   Mostly Cloudy
8:20 PM 39.2 °F 34.2 °F 33.8 °F 81% 29.98 in 3.7 mi NE 6.9 mph - N/A   Mostly Cloudy
8:50 PM 39 °F - 33 °F 73% 29.98 in 5 mi NE 6.9 mph - -   Light Haze
8:50 PM 39.2 °F 34.2 °F 33.8 °F 81% 29.98 in 4.3 mi ENE 6.9 mph - N/A   Mostly Cloudy
9:20 PM 39.2 °F 34.2 °F 33.8 °F 81% 29.98 in 4.3 mi East 6.9 mph - N/A   Mostly Cloudy
9:50 PM 37.4 °F 32.1 °F 33.8 °F 87% 29.98 in 4.3 mi East 6.9 mph - N/A   Mostly Cloudy
10:20 PM 37.4 °F 32.8 °F 33.8 °F 87% 30.01 in 4.3 mi ENE 5.8 mph - N/A   Overcast
10:50 PM 37.4 °F 33.8 °F 33.8 °F 87% 30.01 in 4.3 mi East 4.6 mph - N/A   Mostly Cloudy
11:20 PM 37.4 °F 31.4 °F 33.8 °F 87% 30.01 in 4.3 mi East 8.1 mph - N/A   Mostly Cloudy
11:50 PM 38 °F - 33 °F 77% 30.01 in 6 mi ESE 5.8 mph - -   Light Haze
11:50 PM 37.4 °F 32.1 °F 33.8 °F 87% 30.01 in 4.3 mi East 6.9 mph - N/A   Overcast