London, United Kingdom

8:59 PM BST on July 20, 2017 (GMT +0100)
Heathrow

Weather History for EGLL - September, 2012

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Monday, September 24, 2012

  Actual Average Record
Temperature  
Mean Temperature 56 °F -  
Max Temperature 60 °F 60 °F 73 °F (2006)
Min Temperature 51 °F 47 °F 39 °F (2003)
Degree Days  
Heating Degree Days 10    
Growing Degree Days 6 (Base 50)    
Moisture  
Dew Point 51 °F    
Average Humidity 86    
Maximum Humidity 100    
Minimum Humidity 57    
Precipitation  
Precipitation 0.31 in - - ()
Sea Level Pressure  
Sea Level Pressure 29.21 in    
Wind  
Wind Speed 11 mph ()    
Max Wind Speed 24 mph    
Max Gust Speed 34 mph    
Visibility 4.7 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

Sep. 24, 2012 Rise Set
Actual Time 6:51 AM BST 6:54 PM BST
Civil Twilight 6:18 AM BST 7:27 PM BST
Nautical Twilight 5:39 AM BST 8:07 PM BST
Astronomical Twilight 4:58 AM BST 8:47 PM BST
Moon 4:02 PM BST (9/24) 12:15 AM BST (9/24)
Length of Visible Light 13h 09m
Length of Day
12h 03m
Waxing Gibbous, 68% of the Moon is Illuminated
Sep 24
Waxing Gibbous
Sep 30
Full
Oct 8
Last Quarter
Oct 15
New
Oct 22
First Quarter

Hourly Weather History & Observations

Time (BST) Temp. Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:20 AM 53.6 °F 51.8 °F 94% 29.39 in 4.3 mi East 6.9 mph - N/A   Overcast
12:50 AM 53 °F 52 °F 94% 29.38 in 3 mi East 8.1 mph - -   Mist
12:50 AM 53.6 °F 51.8 °F 94% 29.39 in 3.1 mi East 9.2 mph - N/A   Overcast
1:20 AM 53.6 °F 51.8 °F 94% 29.36 in - East 6.9 mph - N/A   Overcast
1:50 AM 53.6 °F 51.8 °F 94% 29.33 in 1.6 mi East 6.9 mph - N/A   Overcast
2:20 AM 53.6 °F 51.8 °F 94% 29.33 in 1.3 mi East 8.1 mph - N/A   Overcast
2:50 AM 53.6 °F 51.8 °F 94% 29.33 in 1.0 mi East 8.1 mph - N/A   Overcast
3:20 AM 53.6 °F 51.8 °F 94% 29.30 in 1.1 mi East 6.9 mph - N/A   Overcast
3:50 AM 54 °F 53 °F 93% 29.27 in 2 mi East 8.1 mph - -   Mist
3:50 AM 53.6 °F 51.8 °F 94% 29.27 in 1.1 mi East 8.1 mph - N/A   Overcast
4:20 AM 53.6 °F 53.6 °F 100% 29.24 in 1.2 mi East 8.1 mph - N/A Rain Light Rain
4:50 AM 53.6 °F 53.6 °F 100% 29.21 in 1.4 mi East 9.2 mph - N/A   Mostly Cloudy
5:20 AM 53.6 °F 53.6 °F 100% 29.21 in 1.9 mi East 10.4 mph - N/A Rain Light Rain
5:50 AM 53.6 °F 53.6 °F 100% 29.18 in 1.7 mi East 11.5 mph - N/A   Mostly Cloudy
6:20 AM 55.4 °F 53.6 °F 94% 29.15 in 0.9 mi East 10.4 mph - N/A   Overcast
6:50 AM 56 °F 55 °F 94% 29.16 in 2 mi East 9.2 mph - -   Mist
6:50 AM 55.4 °F 53.6 °F 94% 29.15 in 1.4 mi East 10.4 mph - N/A   Mostly Cloudy
7:20 AM 55.4 °F 55.4 °F 100% 29.15 in 1.7 mi East 9.2 mph - N/A   Mostly Cloudy
7:50 AM 55.4 °F 55.4 °F 100% 29.12 in 1.5 mi East 9.2 mph - N/A   Mostly Cloudy
8:20 AM 57.2 °F 55.4 °F 94% 29.12 in 1.2 mi East 10.4 mph - N/A Rain Light Rain
8:50 AM 57.2 °F 55.4 °F 94% 29.12 in 1.6 mi East 10.4 mph - N/A   Mostly Cloudy
9:20 AM 57.2 °F 57.2 °F 100% 29.09 in - East 10.4 mph - N/A   Mostly Cloudy
9:50 AM 59 °F 58 °F 96% 29.10 in 3 mi East 10.4 mph - - Rain Rain
9:50 AM 59.0 °F 57.2 °F 94% 29.09 in 2.8 mi East 10.4 mph - N/A   Mostly Cloudy
10:20 AM 59.0 °F 57.2 °F 94% 29.09 in - ESE 8.1 mph - N/A Rain Light Rain
10:50 AM 59.0 °F 59.0 °F 100% 29.09 in - SSE 10.4 mph - N/A Rain Light Rain
11:20 AM 55.4 °F 53.6 °F 94% 29.12 in 4.3 mi WSW 20.7 mph - N/A Rain Light Rain
11:50 AM 55.4 °F 51.8 °F 88% 29.12 in 6.2 mi WSW 20.7 mph - N/A Rain Light Rain
12:20 PM 53.6 °F 51.8 °F 94% 29.15 in 6.2 mi West 21.9 mph - N/A Rain Light Rain
12:50 PM 53 °F 51 °F 90% 29.17 in 9 mi West 19.6 mph - - Rain Light Rain
12:50 PM 53.6 °F 50.0 °F 88% 29.18 in 6.2 mi West 20.7 mph - N/A Rain Light Rain
1:20 PM 53.6 °F 50.0 °F 88% 29.18 in 6.2 mi West 21.9 mph 34.5 mph N/A   Mostly Cloudy
1:50 PM 55.4 °F 50.0 °F 82% 29.18 in 6.2 mi West 21.9 mph - N/A   Scattered Clouds
2:20 PM 57.2 °F 51.8 °F 82% 29.21 in 6.2 mi WSW 20.7 mph 32.2 mph N/A   Mostly Cloudy
2:50 PM 55.4 °F 50.0 °F 82% 29.21 in 6.2 mi WSW 24.2 mph - N/A   Mostly Cloudy
3:20 PM 55.4 °F 50.0 °F 82% 29.21 in 6.2 mi WSW 20.7 mph - N/A   Mostly Cloudy
3:50 PM 58 °F 50 °F 66% 29.23 in 19 mi WSW 20.7 mph - -   Partly Cloudy
3:50 PM 57.2 °F 50.0 °F 77% 29.21 in 6.2 mi WSW 18.4 mph 29.9 mph N/A   Scattered Clouds
4:20 PM 59.0 °F 48.2 °F 67% 29.24 in 6.2 mi WSW 21.9 mph - N/A   Mostly Cloudy
4:50 PM 60.8 °F 48.2 °F 63% 29.24 in 6.2 mi WSW 20.7 mph - N/A   Scattered Clouds
5:20 PM 60.8 °F 46.4 °F 59% 29.24 in 6.2 mi WSW 19.6 mph - N/A   Partly Cloudy
5:50 PM 59.0 °F 46.4 °F 63% 29.24 in 6.2 mi WSW 19.6 mph - N/A   Partly Cloudy
6:20 PM 59.0 °F 46.4 °F 63% 29.24 in 6.2 mi WSW 16.1 mph - N/A   Scattered Clouds
6:50 PM 58 °F 47 °F 57% 29.24 in 22 mi WSW 13.8 mph - -   Mostly Cloudy
6:50 PM 57.2 °F 46.4 °F 67% 29.24 in 6.2 mi WSW 13.8 mph - N/A   Scattered Clouds
7:20 PM 57.2 °F 46.4 °F 67% 29.24 in 6.2 mi WSW 13.8 mph - N/A   Partly Cloudy
7:50 PM 55.4 °F 46.4 °F 72% 29.24 in 6.2 mi SW 11.5 mph - N/A   Partly Cloudy
8:20 PM 55.4 °F 48.2 °F 77% 29.24 in 6.2 mi SW 11.5 mph 24.2 mph N/A   Scattered Clouds
8:50 PM 55.4 °F 48.2 °F 77% 29.24 in 6.2 mi SW 13.8 mph - N/A   Scattered Clouds
9:20 PM 53.6 °F 48.2 °F 82% 29.24 in 6.2 mi SW 12.7 mph - N/A   Partly Cloudy
9:50 PM 54 °F 48 °F 72% 29.23 in 19 mi SW 13.8 mph - -  
9:50 PM 53.6 °F 48.2 °F 82% 29.24 in - SW 12.7 mph - N/A   Clear
10:20 PM 51.8 °F 46.4 °F 82% 29.21 in - SW 12.7 mph - N/A   Clear
10:50 PM 51.8 °F 46.4 °F 82% 29.21 in - SW 11.5 mph - N/A   Clear
11:20 PM 51.8 °F 46.4 °F 82% 29.21 in - SW 13.8 mph - N/A   Clear
11:50 PM 51.8 °F 46.4 °F 82% 29.21 in - SW 11.5 mph - N/A   Clear