Weather History for London / Heathrow Airport, United Kingdom

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Thursday, April 25, 2013

  Actual Average Record
Temperature  
Mean Temperature 61 °F -  
Max Temperature 73 °F 61 °F - ()
Min Temperature 49 °F 46 °F - ()
Degree Days  
Heating Degree Days 4    
Growing Degree Days 11 (Base 50)    
Moisture  
Dew Point 50 °F    
Average Humidity 72    
Maximum Humidity 94    
Minimum Humidity 35    
Precipitation  
Precipitation 0.00 in - - ()
Sea Level Pressure  
Sea Level Pressure 30.14 in    
Wind  
Wind Speed 8 mph ()    
Max Wind Speed 20 mph    
Max Gust Speed -    
Visibility 5.8 miles    
Events Rain    
T = Trace of Precipitation, MM = Missing Value Source: Averaged Metar Reports

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Astronomy

Apr. 25, 2013 Rise Set
Actual Time 5:45 AM BST 8:15 PM BST
Civil Twilight 5:08 AM BST 8:52 PM BST
Nautical Twilight 4:21 AM BST 9:39 PM BST
Astronomical Twilight 3:25 AM BST 10:36 PM BST
Moon 8:13 PM BST (4/25) 5:20 AM BST (4/25)
Length of Visible Light 15h 44m
Length of Day
14h 30m
Full, 100% of the Moon is Illuminated
Apr 25
Full
Apr 25
Full
May 2
Last Quarter
May 10
New
May 18
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 55.4 °F 53.6 °F 94% 30.24 in - SSW 6.9 mph - N/A   Clear
12:50 AM 56 °F 53 °F 88% 30.27 in 7 mi SW 5.8 mph - - Rain Rain
12:50 AM 55.4 °F 53.6 °F 94% 30.27 in 5.6 mi WSW 5.8 mph - N/A   Unknown
1:20 AM 55.4 °F 51.8 °F 88% 30.27 in 5.0 mi SSW 6.9 mph - N/A   Unknown
1:50 AM 53.6 °F 51.8 °F 94% 30.24 in 4.3 mi SSW 5.8 mph - N/A   Unknown
2:20 AM 53.6 °F 51.8 °F 94% 30.24 in 3.7 mi Variable 2.3 mph - N/A   Unknown
2:50 AM 53.6 °F 51.8 °F 94% 30.24 in 3.7 mi South 3.5 mph - N/A   Unknown
3:50 AM 51 °F 50 °F 94% 30.23 in 3 mi SE 3.5 mph - -   Mist
3:50 AM 51.8 °F 50.0 °F 94% 30.21 in 2.8 mi SE 3.5 mph - N/A   Haze
4:20 AM 51.8 °F 50.0 °F 94% 30.21 in 2.2 mi South 2.3 mph - N/A   Haze
4:50 AM 51.8 °F 50.0 °F 94% 30.21 in 2.5 mi Variable 3.5 mph - N/A   Haze
5:20 AM 51.8 °F 50.0 °F 94% 30.21 in 2.8 mi South 4.6 mph - N/A   Mist
5:50 AM 51.8 °F 50.0 °F 94% 30.21 in - South 5.8 mph - N/A   Mist
6:20 AM 51.8 °F 50.0 °F 94% 30.21 in - SSW 8.1 mph - N/A   Haze
6:50 AM 53 °F 50 °F 87% 30.22 in 5 mi SSW 8.1 mph - -   Light Haze
6:50 AM 51.8 °F 50.0 °F 94% 30.21 in 3.7 mi SW 8.1 mph - N/A   Partly Cloudy
7:20 AM 51.8 °F 50.0 °F 94% 30.21 in 2.5 mi SSW 8.1 mph - N/A   Haze
7:50 AM 51.8 °F 50.0 °F 94% 30.21 in 2.2 mi SSW 8.1 mph - N/A   Haze
8:20 AM 51.8 °F 50.0 °F 94% 30.21 in 2.5 mi South 6.9 mph - N/A   Haze
8:50 AM 53.6 °F 50.0 °F 88% 30.21 in 3.7 mi South 8.1 mph - N/A   Scattered Clouds
9:20 AM 53.6 °F 50.0 °F 88% 30.21 in 5.6 mi South 8.1 mph - N/A   Partly Cloudy
9:50 AM 58 °F 52 °F 75% 30.20 in 7 mi SSW 9.2 mph - -  
9:50 AM 57.2 °F 51.8 °F 82% 30.18 in - SW 8.1 mph - N/A   Clear
10:20 AM 59.0 °F 51.8 °F 77% 30.18 in - SSW 8.1 mph - N/A   Clear
10:50 AM 60.8 °F 51.8 °F 72% 30.18 in - SSW 8.1 mph - N/A   Clear
11:20 AM 64.4 °F 53.6 °F 68% 30.18 in 6.2 mi SSW 9.2 mph - N/A   Partly Cloudy
11:50 AM 66.2 °F 53.6 °F 64% 30.15 in 6.2 mi SSW 11.5 mph - N/A   Partly Cloudy
12:20 PM 66.2 °F 53.6 °F 64% 30.15 in 6.2 mi SSW 11.5 mph - N/A   Partly Cloudy
12:50 PM 68 °F 55 °F 53% 30.13 in 9 mi SSE 10.4 mph - -   Scattered Clouds
12:50 PM 66.2 °F 53.6 °F 64% 30.12 in 6.2 mi South 10.4 mph - N/A   Partly Cloudy
1:20 PM 68.0 °F 53.6 °F 60% 30.12 in 6.2 mi SSW 12.7 mph - N/A   Partly Cloudy
1:50 PM 71.6 °F 50.0 °F 46% 30.09 in 6.2 mi WSW 16.1 mph - N/A   Partly Cloudy
2:20 PM 69.8 °F 48.2 °F 46% 30.09 in 6.2 mi WSW 17.3 mph - N/A   Partly Cloudy
2:50 PM 71.6 °F 48.2 °F 43% 30.09 in - WSW 18.4 mph - N/A   Clear
3:20 PM 71.6 °F 48.2 °F 43% 30.09 in - WSW 19.6 mph - N/A   Clear
3:50 PM 71 °F 49 °F 35% 30.08 in 19 mi SW 17.3 mph - -  
3:50 PM 71.6 °F 48.2 °F 43% 30.06 in - SW 18.4 mph - N/A   Clear
4:20 PM 71.6 °F 48.2 °F 43% 30.06 in - WSW 16.1 mph - N/A   Clear
4:50 PM 69.8 °F 50.0 °F 49% 30.04 in 6.2 mi West 15.0 mph - N/A   Partly Cloudy
5:20 PM 71.6 °F 48.2 °F 43% 30.04 in 6.2 mi West 18.4 mph - N/A   Partly Cloudy
5:50 PM 69.8 °F 48.2 °F 46% 30.04 in - West 17.3 mph - N/A   Clear
6:20 PM 66.2 °F 50.0 °F 56% 30.04 in - WNW 15.0 mph - N/A   Clear
6:50 PM 64 °F 49 °F 47% 30.05 in 12 mi West 13.8 mph - -  
6:50 PM 62.6 °F 50.0 °F 63% 30.04 in - WNW 13.8 mph - N/A   Clear
7:20 PM 60.8 °F 48.2 °F 63% 30.04 in - WNW 11.5 mph - N/A   Clear
7:50 PM 59.0 °F 48.2 °F 67% 30.06 in - WNW 12.7 mph - N/A   Clear
8:20 PM 59.0 °F 46.4 °F 63% 30.06 in - WNW 10.4 mph - N/A   Clear
8:50 PM 57.2 °F 46.4 °F 67% 30.06 in - WNW 6.9 mph - N/A   Clear
9:20 PM 55.4 °F 46.4 °F 72% 30.06 in - WNW 5.8 mph - N/A   Clear
9:50 PM 57 °F 47 °F 61% 30.08 in 15 mi WNW 6.9 mph - -   Partly Cloudy
9:50 PM 55.4 °F 46.4 °F 72% 30.06 in - WNW 6.9 mph - N/A   Clear
10:20 PM 57.2 °F 46.4 °F 67% 30.06 in - WNW 8.1 mph - N/A   Clear
10:50 PM 55.4 °F 46.4 °F 72% 30.06 in - WNW 9.2 mph - N/A   Clear
11:20 PM 55.4 °F 46.4 °F 72% 30.06 in 6.2 mi WNW 5.8 mph - N/A   Unknown
11:50 PM 55.4 °F 46.4 °F 72% 30.04 in - WNW 6.9 mph - N/A   Clear