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Day Weather Maximum Day Temperature Minimum Night Temperature Wind Direction and Speed
Monday

Clear Sky

19°C 66°F 12°C 54°F West South Westerly
Wind Speed 18 km/h 11 mph
Tuesday

Sunny

19°C 66°F 10°C 50°F Westerly
Wind Speed 27 km/h 17 mph
Wednesday

Light Rain Shower

15°C 59°F 12°C 54°F North Westerly
Wind Speed 13 km/h 8 mph
Thursday

Sunny

19°C 66°F 14°C 57°F North North Easterly
Wind Speed 24 km/h 15 mph
Friday

Heavy Rain Shower

18°C 64°F 14°C 57°F North North Easterly
Wind Speed 23 km/h 14 mph

IN ASSOCIATION WITH

Forecast

Sunrise 06:43 Sunset 18:39

Last updated 15:22

Weather forecast details for Monday 26 September. Each column contains hourly forecast details for weather conditions, temperature, wind speed, wind direction, humidity, visibility and pressure.
Time 1900 hours2200 hours0100 hours
Tue
0400 hours0700 hours   
Weather Conditions Clear Sky Clear Sky Clear Sky Clear Sky Sunny    
Temperature (°C/°F) 17°C 63°F 15°C 59°F 13°C 55°F 12°C 54°F 12°C 54°F    
Wind Speed (mph/km/h) Wind Speed 18 km/h 11 mph Westerly Wind Speed 16 km/h 10 mph West South Westerly Wind Speed 18 km/h 11 mph West South Westerly Wind Speed 18 km/h 11 mph West South Westerly Wind Speed 18 km/h 11 mph West South Westerly    
Wind Direction W WSW WSW WSW WSW    
Humidity 43% 54% 59% 66% 74%    
Visibility (E = Excellent, VG = Very Good, G = Good, M = Moderate, P = Poor, VP = Very Poor) VGVGVGVGVG   
Pressure (Millibars) 1015 1015 1014 1013 1012    

Environmental Summary

UV: 6

European range: 1-11+

Average Conditions

BBC Weather's average conditions for London, United Kingdom. This includes readings of average sunlight, temperature, discomfort from heat and humidity, relative humidity, average Precipitation, and wet days.
Month Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Average Minimum Temperature (°C) -8 -7 -2 4 10 16 19 18 14 8 1 -5
Average Minimum Temperature (°F) 18 20 29 40 50 60 66 65 58 47 34 23
Average Maximum Temperature (°C) 0 1 6 13 18 24 27 26 23 16 8 2
Average Maximum Temperature (°F) 32 34 43 55 65 75 81 79 73 61 47 36
Record Minimum Temperature (°C) -29 -29 -24 -8 -3 2 9 8 -2 -10 -19 -31
Record Minimum Temperature (°F) -20 -21 -12 17 27 35 49 47 29 14 -2 -23
Record Maximum Temperature (°C) 18 20 17 33 37 39 41 39 38 31 26 20
Record Maximum Temperature (°F) 65 68 62 91 98 102 105 102 100 88 78 68
Average Precipitation (mm) 51 51 66 71 86 89 84 81 79 66 61 51
Average Precipitation (inches) 2.0 2.0 2.6 2.8 3.4 3.5 3.3 3.2 3.1 2.6 2.4 2.0
Average Sunlight Hours 4 5 7 7 9 10 10 9 8 7 5 4
Wet Days (+0.1 mm) 11 10 12 11 12 11 9 9 9 9 10 11
Relative Humidity AM 80 79 77 74 73 76 75 79 80 78 79 80
Relative Humidity PM 70 69 64 61 59 61 58 61 59 59 65 72
Discomfort From Heat And Humidity -- -- -- -- -- severity.Moderate severity.Medium severity.Medium -- -- -- --

Average Conditions data © Copyright RM, 2011. All rights reserved. Helicon Publishing is a division of RM.

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Last updated 14:56 BST, Monday 26 Sep

Observations

Observed at 15:00, Monday 26 September

Sunny Intervals

19°C 66°F

Wind Speed 37 km/h 23 mph West North Westerly

Humidity: 30%

Visibility: Good

Pressure: 1014mb, Falling

Observation station: Chicago O'Hare, IL.

(Lat: 41.98 | Lon: -87.9)

BBC Weather in association with the Met Office

All times are CDT (America/Chicago, GMT-0500) unless otherwise stated

Information given for most appropriate forecast location. See FAQs for details