London, United Kingdom

11:11 AM GMT on February 24, 2017 (GMT +0000)
Heathrow

Weather History for EGLL - August, 2012

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Friday, August 31, 2012

  Actual Average Record
Temperature  
Mean Temperature 54 °F -  
Max Temperature 65 °F 66 °F 87 °F (2005)
Min Temperature 42 °F 52 °F 42 °F (2012)
Degree Days  
Heating Degree Days 12    
Growing Degree Days 4 (Base 50)    
Moisture  
Dew Point 40 °F    
Average Humidity 56    
Maximum Humidity 81    
Minimum Humidity 30    
Precipitation  
Precipitation 0.00 in - - ()
Sea Level Pressure  
Sea Level Pressure 30.38 in    
Wind  
Wind Speed 6 mph ()    
Max Wind Speed 12 mph    
Max Gust Speed -    
Visibility 9.2 miles    
Events Rain    
Averages and records for this station are not official NWS values.
T = Trace of Precipitation, MM = Missing Value Source: Averaged Metar Reports

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Date:

Astronomy

Aug. 31, 2012 Rise Set
Actual Time 6:13 AM BST 7:49 PM BST
Civil Twilight 5:38 AM BST 8:24 PM BST
Nautical Twilight 4:55 AM BST 9:07 PM BST
Astronomical Twilight 4:07 AM BST 9:54 PM BST
Moon 7:18 PM BST (8/31) 6:08 AM BST (8/31)
Length of Visible Light 14h 46m
Length of Day
13h 36m
Full, 100% of the Moon is Illuminated
Aug 31
Full
Aug 31
Full
Sep 8
Last Quarter
Sep 16
New
Sep 22
First 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 48.2 °F - 37.4 °F 66% 30.33 in - NW 5.8 mph - N/A   Clear
12:50 AM 49 °F - 39 °F 60% 30.33 in 12 mi WNW 4.6 mph - -  
12:50 AM 48.2 °F - 39.2 °F 71% 30.33 in - WNW 4.6 mph - N/A   Clear
1:20 AM 48.2 °F - 39.2 °F 71% 30.33 in 6.2 mi NW 4.6 mph - N/A   Unknown
1:50 AM 46.4 °F 44.3 °F 39.2 °F 76% 30.33 in 6.2 mi NW 4.6 mph - N/A   Unknown
2:20 AM 46.4 °F 44.3 °F 39.2 °F 76% 30.33 in 6.2 mi WNW 4.6 mph - N/A   Unknown
2:50 AM 46.4 °F 43.5 °F 39.2 °F 76% 30.36 in - WNW 5.8 mph - N/A   Clear
3:20 AM 46.4 °F 44.3 °F 39.2 °F 76% 30.36 in - NW 4.6 mph - N/A   Clear
3:50 AM 45 °F - 39 °F 71% 30.37 in 12 mi WNW 4.6 mph - -  
3:50 AM 46.4 °F 45.2 °F 37.4 °F 71% 30.36 in - WNW 3.5 mph - N/A   Clear
4:20 AM 44.6 °F 42.2 °F 37.4 °F 76% 30.36 in - WNW 4.6 mph - N/A   Clear
4:50 AM 44.6 °F 41.4 °F 37.4 °F 76% 30.36 in - WNW 5.8 mph - N/A   Clear
5:20 AM 44.6 °F 42.2 °F 37.4 °F 76% 30.36 in - WNW 4.6 mph - N/A   Clear
5:50 AM 44.6 °F 41.4 °F 39.2 °F 81% 30.36 in - WNW 5.8 mph - N/A   Clear
6:20 AM 46.4 °F 42.9 °F 39.2 °F 76% 30.39 in - WNW 6.9 mph - N/A   Clear
6:50 AM 44 °F - 40 °F 79% 30.40 in 12 mi West 5.8 mph - -  
6:50 AM 46.4 °F 42.9 °F 39.2 °F 76% 30.39 in - West 6.9 mph - N/A   Clear
7:20 AM 46.4 °F 42.9 °F 39.2 °F 76% 30.39 in - WNW 6.9 mph - N/A   Clear
7:50 AM 48.2 °F - 39.2 °F 71% 30.39 in - WNW 8.1 mph - N/A   Clear
8:20 AM 50.0 °F - 39.2 °F 66% 30.42 in - WNW 6.9 mph - N/A   Clear
8:50 AM 51.8 °F - 41.0 °F 67% 30.42 in - NW 5.8 mph - N/A   Clear
9:20 AM 53.6 °F - 41.0 °F 62% 30.42 in - NNW 6.9 mph - N/A   Clear
9:50 AM 55 °F - 38 °F 42% 30.43 in 15 mi North 6.9 mph - -  
9:50 AM 55.4 °F - 39.2 °F 54% 30.42 in - NNW 8.1 mph - N/A   Clear
10:20 AM 57.2 °F - 37.4 °F 48% 30.42 in - North 8.1 mph - N/A   Clear
10:50 AM 59.0 °F - 37.4 °F 45% 30.42 in - NNW 8.1 mph - N/A   Clear
11:20 AM 59.0 °F - 37.4 °F 45% 30.42 in 6.2 mi NNW 9.2 mph - N/A   Partly Cloudy
11:50 AM 60.8 °F - 37.4 °F 42% 30.42 in 6.2 mi NNW 8.1 mph - N/A   Partly Cloudy
12:20 PM 62.6 °F - 37.4 °F 39% 30.42 in 6.2 mi North 8.1 mph - N/A   Partly Cloudy
12:50 PM 62 °F - 39 °F 31% 30.41 in 14 mi NNW 9.2 mph - -   Scattered Clouds
12:50 PM 62.6 °F - 37.4 °F 39% 30.42 in 6.2 mi North 9.2 mph - N/A   Partly Cloudy
1:20 PM 62.6 °F - 37.4 °F 39% 30.42 in - WNW 9.2 mph - N/A   Clear
1:50 PM 62.6 °F - 37.4 °F 39% 30.42 in - WNW 9.2 mph - N/A   Clear
2:20 PM 64.4 °F - 37.4 °F 37% 30.42 in - WNW 8.1 mph - N/A   Clear
2:50 PM 64.4 °F - 37.4 °F 37% 30.39 in - NW 6.9 mph - N/A   Clear
3:20 PM 64.4 °F - 39.2 °F 40% 30.39 in - NW 9.2 mph - N/A   Clear
3:50 PM 65 °F - 41 °F 30% 30.40 in 17 mi NW 6.9 mph - -   Partly Cloudy
3:50 PM 64.4 °F - 39.2 °F 40% 30.39 in - NW 8.1 mph - N/A   Clear
4:20 PM 64.4 °F - 39.2 °F 40% 30.39 in - NW 9.2 mph - N/A   Clear
4:50 PM 64.4 °F - 41.0 °F 42% 30.39 in - NW 8.1 mph - N/A   Clear
5:20 PM 64.4 °F - 41.0 °F 42% 30.39 in - WNW 11.5 mph - N/A   Clear
5:50 PM 62.6 °F - 41.0 °F 45% 30.39 in - NW 8.1 mph - N/A   Clear
6:20 PM 62.6 °F - 41.0 °F 45% 30.39 in - NW 6.9 mph - N/A   Clear
6:50 PM 62 °F - 44 °F 40% 30.39 in 13 mi NW 4.6 mph - -   Mostly Cloudy
6:50 PM 62.6 °F - 42.8 °F 48% 30.39 in - NW 4.6 mph - N/A   Clear
7:20 PM 62.6 °F - 42.8 °F 48% 30.39 in - NW 4.6 mph - N/A   Clear
7:50 PM 60.8 °F - 41.0 °F 48% 30.36 in - WNW 3.5 mph - N/A   Clear
8:20 PM 60.8 °F - 42.8 °F 52% 30.36 in - NW 2.3 mph - N/A   Clear
8:50 PM 60.8 °F - 42.8 °F 52% 30.39 in - NW 3.5 mph - N/A   Clear
9:20 PM 59.0 °F - 44.6 °F 59% 30.39 in - Variable 3.5 mph - N/A   Clear
9:50 PM 61 °F - 45 °F 44% 30.38 in 14 mi West 4.6 mph - - Rain Rain
9:50 PM 60.8 °F - 44.6 °F 55% 30.39 in 6.2 mi WNW 5.8 mph - N/A Rain Light Rain
10:20 PM 60.8 °F - 44.6 °F 55% 30.36 in 6.2 mi WNW 6.9 mph - N/A   Partly Cloudy
10:50 PM 59.0 °F - 46.4 °F 63% 30.36 in 6.2 mi West 9.2 mph - N/A   Partly Cloudy
11:20 PM 59.0 °F - 48.2 °F 67% 30.36 in 6.2 mi NW 6.9 mph - N/A Rain Light Rain Showers
11:50 PM 57.2 °F - 48.2 °F 72% 30.39 in 6.2 mi NW 6.9 mph - N/A Rain Light Rain