Weather History for London / Heathrow Airport, United Kingdom

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Friday, October 28, 2011

  Actual Average Record
Temperature  
Mean Temperature 54 °F -  
Max Temperature 61 °F 51 °F - ()
Min Temperature 48 °F 39 °F - ()
Degree Days  
Heating Degree Days 10    
Growing Degree Days 4 (Base 50)    
Moisture  
Dew Point 49 °F    
Average Humidity 80    
Maximum Humidity 94    
Minimum Humidity 51    
Precipitation  
Precipitation 0.00 in - - ()
Sea Level Pressure  
Sea Level Pressure 30.15 in    
Wind  
Wind Speed 4 mph ()    
Max Wind Speed 8 mph    
Max Gust Speed -    
Visibility 6.0 miles    
Events Rain    
T = Trace of Precipitation, MM = Missing Value Source: Averaged Metar Reports

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Astronomy

Oct. 28, 2011 Rise Set
Actual Time 7:47 AM BST 5:42 PM BST
Civil Twilight 7:12 AM BST 6:17 PM BST
Nautical Twilight 6:33 AM BST 6:56 PM BST
Astronomical Twilight 5:54 AM BST 7:35 PM BST
Moon 10:06 AM BST (10/28) 6:30 PM BST (10/28)
Length of Visible Light 11h 04m
Length of Day
9h 55m
Waxing Crescent, 4% of the Moon is Illuminated
Oct 28
Waxing Crescent
Nov 2
First Quarter
Nov 10
Full
Nov 18
Last Quarter
Nov 25
New

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% 29.92 in 5.0 mi WNW 3.5 mph - N/A   Mostly Cloudy
12:50 AM 55 °F 53 °F 92% 29.95 in 6 mi WNW 3.5 mph - -   Mist
12:50 AM 55.4 °F 53.6 °F 94% 29.95 in 3.1 mi WNW 4.6 mph - N/A   Mostly Cloudy
1:20 AM 55.4 °F 53.6 °F 94% 29.95 in 5.6 mi NW 3.5 mph - N/A   Mostly Cloudy
1:50 AM 55.4 °F 51.8 °F 88% 29.98 in 6.2 mi Variable 3.5 mph - N/A   Mostly Cloudy
2:20 AM 53.6 °F 51.8 °F 94% 29.98 in 6.2 mi North 3.5 mph - N/A   Mostly Cloudy
2:50 AM 53.6 °F 51.8 °F 94% 30.01 in 6.2 mi NW 4.6 mph - N/A   Mostly Cloudy
3:20 AM 53.6 °F 50.0 °F 88% 30.01 in 6.2 mi NNW 4.6 mph - N/A   Mostly Cloudy
3:50 AM 53 °F 50 °F 87% 30.04 in 7 mi NNW 4.6 mph - -   Partly Cloudy
3:50 AM 53.6 °F 50.0 °F 88% 30.04 in 6.2 mi NNW 4.6 mph - N/A   Mostly Cloudy
4:20 AM 51.8 °F 50.0 °F 94% 30.04 in 5.0 mi Variable 3.5 mph - N/A   Mostly Cloudy
4:50 AM 51.8 °F 50.0 °F 94% 30.06 in 5.0 mi North 4.6 mph - N/A   Mostly Cloudy
5:20 AM 51.8 °F 48.2 °F 88% 30.06 in 4.3 mi Variable 3.5 mph - N/A   Mostly Cloudy
5:50 AM 50.0 °F 48.2 °F 94% 30.09 in 3.1 mi NNW 3.5 mph - N/A   Partly Cloudy
6:20 AM 50.0 °F 48.2 °F 94% 30.09 in 3.7 mi Variable 3.5 mph - N/A   Unknown
6:50 AM 49 °F 47 °F 92% 30.13 in 3 mi NNW 3.5 mph - -   Light Haze
6:50 AM 50.0 °F 46.4 °F 87% 30.12 in 4.3 mi Variable 3.5 mph - N/A   Unknown
7:20 AM 50.0 °F 46.4 °F 87% 30.12 in 3.7 mi North 3.5 mph - N/A   Unknown
7:50 AM 50.0 °F 46.4 °F 87% 30.15 in 4.3 mi NNW 3.5 mph - N/A   Unknown
8:20 AM 50.0 °F 46.4 °F 87% 30.15 in 3.7 mi Variable 3.5 mph - N/A   Unknown
8:50 AM 48.2 °F 46.4 °F 93% 30.18 in 3.7 mi North 4.6 mph - N/A   Unknown
9:20 AM 50.0 °F 46.4 °F 87% 30.18 in 4.3 mi North 4.6 mph - N/A   Unknown
9:50 AM 51 °F 47 °F 80% 30.20 in 6 mi NE 5.8 mph - -   Light Haze
9:50 AM 51.8 °F 46.4 °F 82% 30.18 in 5.0 mi NNE 4.6 mph - N/A   Unknown
10:20 AM 53.6 °F 48.2 °F 82% 30.18 in - NNE 4.6 mph - N/A   Clear
10:50 AM 53.6 °F 48.2 °F 82% 30.21 in - NE 5.8 mph - N/A   Clear
11:20 AM 55.4 °F 46.4 °F 72% 30.21 in - ENE 6.9 mph - N/A   Clear
11:50 AM 57.2 °F 46.4 °F 67% 30.21 in - ENE 4.6 mph - N/A   Clear
12:20 PM 57.2 °F 46.4 °F 67% 30.21 in - NE 5.8 mph - N/A   Clear
12:50 PM 58 °F 45 °F 51% 30.22 in 17 mi NE 5.8 mph - -  
12:50 PM 59.0 °F 46.4 °F 63% 30.21 in - ENE 5.8 mph - N/A   Clear
1:20 PM 59.0 °F 46.4 °F 63% 30.21 in - East 4.6 mph - N/A   Clear
1:50 PM 59.0 °F 46.4 °F 63% 30.21 in 6.2 mi Variable 3.5 mph - N/A   Partly Cloudy
2:20 PM 59.0 °F 46.4 °F 63% 30.21 in 6.2 mi East 4.6 mph - N/A   Partly Cloudy
2:50 PM 60.8 °F 46.4 °F 59% 30.21 in - East 5.8 mph - N/A   Clear
3:20 PM 60.8 °F 46.4 °F 59% 30.21 in - ESE 6.9 mph - N/A   Clear
3:50 PM 60 °F 47 °F 51% 30.21 in 16 mi ESE 8.1 mph - -  
3:50 PM 59.0 °F 46.4 °F 63% 30.21 in - East 8.1 mph - N/A   Clear
4:20 PM 59.0 °F 46.4 °F 63% 30.21 in - SE 8.1 mph - N/A   Clear
4:50 PM 57.2 °F 46.4 °F 67% 30.21 in 6.2 mi SE 6.9 mph - N/A   Partly Cloudy
5:20 PM 57.2 °F 48.2 °F 72% 30.21 in 6.2 mi ESE 6.9 mph - N/A   Mostly Cloudy
5:50 PM 57.2 °F 48.2 °F 72% 30.21 in 6.2 mi SE 8.1 mph - N/A   Mostly Cloudy
6:20 PM 57.2 °F 48.2 °F 72% 30.21 in 6.2 mi ESE 6.9 mph - N/A   Mostly Cloudy
6:50 PM 56 °F 49 °F 69% 30.23 in 11 mi ESE 3.5 mph - -   Mostly Cloudy
6:50 PM 55.4 °F 48.2 °F 77% 30.24 in 6.2 mi ESE 3.5 mph - N/A   Mostly Cloudy
7:20 PM 55.4 °F 48.2 °F 77% 30.24 in 6.2 mi East 2.3 mph - N/A   Mostly Cloudy
7:50 PM 55.4 °F 50.0 °F 82% 30.24 in 6.2 mi East 5.8 mph - N/A   Mostly Cloudy
8:20 PM 55.4 °F 50.0 °F 82% 30.24 in 6.2 mi SE 5.8 mph - N/A   Mostly Cloudy
8:50 PM 55.4 °F 50.0 °F 82% 30.24 in 6.2 mi SE 5.8 mph - N/A   Mostly Cloudy
9:20 PM 55.4 °F 50.0 °F 82% 30.24 in 6.2 mi SE 4.6 mph - N/A   Mostly Cloudy
9:50 PM 55 °F 51 °F 84% 30.24 in 4 mi ESE 4.6 mph - - Rain Rain
9:50 PM 55.4 °F 51.8 °F 88% 30.24 in 5.0 mi East 4.6 mph - N/A   Mostly Cloudy
10:20 PM 55.4 °F 51.8 °F 88% 30.24 in - East 4.6 mph - N/A   Haze
10:50 PM 55.4 °F 51.8 °F 88% 30.21 in - East 3.5 mph - N/A   Mostly Cloudy
11:20 PM 53.6 °F 51.8 °F 94% 30.21 in - East 3.5 mph - N/A   Mostly Cloudy
11:50 PM 53.6 °F 51.8 °F 94% 30.21 in - Variable 2.3 mph - N/A   Mostly Cloudy