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

Sunny

18°C 64°F 11°C 52°F West North Westerly
Wind Speed 23 km/h 14 mph
Friday

Sunny

20°C 68°F 10°C 50°F Westerly
Wind Speed 8 km/h 5 mph
Saturday

Sunny

25°C 77°F 9°C 48°F Westerly
Wind Speed 8 km/h 5 mph
Sunday

Sunny

26°C 79°F 11°C 52°F South Westerly
Wind Speed 6 km/h 4 mph
Monday

Sunny

28°C 82°F 12°C 54°F Westerly
Wind Speed 6 km/h 4 mph

IN ASSOCIATION WITH

Forecast

Sunrise 06:56 Sunset 19:08

Last updated 03:31

Weather forecast details for Thursday 21 September. Each column contains hourly forecast details for weather conditions, temperature, wind speed, wind direction, humidity, visibility and pressure.
Time 0800 hours1100 hours1400 hours1700 hours2000 hours2300 hours0200 hours
Fri
0500 hours
Weather Conditions Sunny Sunny Sunny Sunny Clear Sky Clear Sky Clear Sky Clear Sky
Temperature (°C/°F) 13°C 55°F 17°C 63°F 18°C 64°F 17°C 63°F 14°C 57°F 13°C 55°F 12°C 54°F 11°C 52°F
Wind Speed (mph/km/h) Wind Speed 18 km/h 11 mph North Westerly Wind Speed 21 km/h 13 mph West North Westerly Wind Speed 23 km/h 14 mph West North Westerly Wind Speed 27 km/h 17 mph West North Westerly Wind Speed 26 km/h 16 mph North Westerly Wind Speed 19 km/h 12 mph North Westerly Wind Speed 16 km/h 10 mph West North Westerly Wind Speed 14 km/h 9 mph West North Westerly
Wind Direction NW WNW WNW WNW NW NW WNW WNW
Humidity 80% 56% 51% 53% 71% 79% 87% 89%
Visibility (E = Excellent, VG = Very Good, G = Good, M = Moderate, P = Poor, VP = Very Poor) VGVGVGVGVGVGVGVG
Pressure (Millibars) 1013 1013 1013 1012 1012 1013 1012 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) 7 8 9 9 11 11 12 12 13 12 11 8
Average Minimum Temperature (°F) 45 47 48 49 51 52 53 53 55 54 51 47
Average Maximum Temperature (°C) 13 15 16 17 17 19 18 18 21 20 17 14
Average Maximum Temperature (°F) 55 59 61 62 63 66 65 65 69 68 63 57
Record Minimum Temperature (°C) -2 1 1 4 6 8 8 8 8 6 3 -3
Record Minimum Temperature (°F) 29 33 33 40 42 46 47 46 47 43 38 27
Record Maximum Temperature (°C) 26 27 30 32 36 38 37 33 38 36 28 23
Record Maximum Temperature (°F) 78 80 86 89 97 100 99 92 101 96 83 74
Average Precipitation (mm) 119 97 79 38 18 3 0 0 8 25 64 112
Average Precipitation (inches) 4.7 3.8 3.1 1.5 0.7 0.1 -- -- 0.3 1.0 2.5 4.4
Average Sunlight Hours 5 7 8 10 11 11 10 9 9 8 7 6
Wet Days (+0.1 mm) 11 11 10 6 4 2 0 0 2 4 7 10
Relative Humidity AM 85 84 83 83 85 88 91 92 88 85 83 83
Relative Humidity PM 69 66 61 61 62 64 69 70 63 58 60 68
Discomfort From Heat And Humidity -- -- -- -- -- -- -- -- -- -- -- --

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

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Last updated 12:21 BST, Thursday 21 Sep

Observations

Observed at 04:00, Thursday 21 September

Light Cloud

17°C 63°F

Wind Speed 34 km/h 21 mph Westerly

Humidity: 75%

Visibility: Good

Pressure: 1012mb, Rising

Observation station: San Francisco/Int., CA.

(Lat: 37.62 | Lon: -122.38)

BBC Weather in association with the Met Office

All times are PDT (America/Los_Angeles, GMT-0700) unless otherwise stated

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