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

Clear Sky

20°C 68°F 11°C 52°F Westerly
10km/h 6mph
Thursday

Light Cloud

20°C 68°F 13°C 55°F West South Westerly
19km/h 12mph
Friday

Sunny Intervals

20°C 68°F 11°C 52°F West North Westerly
16km/h 10mph
Saturday

Sunny Intervals

20°C 68°F 11°C 52°F West North Westerly
16km/h 10mph
Sunday

Light Cloud

20°C 68°F 13°C 55°F South Westerly
10km/h 6mph

IN ASSOCIATION WITH

Forecast

Sunrise 05:53 Sunset 20:14

Last updated 21:10

Weather forecast details for Wednesday 20 August. Each column contains hourly forecast details for weather conditions, temperature, wind speed, wind direction, humidity, visibility and pressure.
Time 2200 hours0100 hours
Thu
0400 hours     
Weather Conditions Partly Cloudy Clear Sky Clear Sky      
Temperature (°C/°F) 15°C 59°F 14°C 57°F 12°C 54°F      
Wind Speed (mph/km/h) 11km/h 7mph West North Westerly 10km/h 6mph West North Westerly 8km/h 5mph Westerly      
Wind Direction WNW WNW W      
Humidity 51% 60% 70%      
Visibility (E = Excellent, VG = Very Good, G = Good, M = Moderate, P = Poor, VP = Very Poor) G G G      
Pressure (Millibars) 1017 1017 1017      

London and South East England

Forecast Summary

  • This Evening and Tonight

    Any showers will quickly clear away early this evening to leave a dry night with long clear periods. Winds will fall light with temperatures falling into single figures in rural areas. Feeling chilly towards the end of the night.

Environmental Summary

UV: 6

UK Range: 1-7

Pollution: Low

UK Range: Low to Very High

Pollen: Low

UK Range: Low to Very High

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) 2 2 3 6 8 12 14 13 11 8 5 4
Average Minimum Temperature (°F) 36 36 38 42 47 53 56 56 52 46 42 38
Average Maximum Temperature (°C) 6 7 10 13 17 20 22 21 19 14 10 7
Average Maximum Temperature (°F) 43 44 50 56 62 69 71 71 65 58 50 45
Record Minimum Temperature (°C) -10 -9 -8 -2 -1 5 7 6 3 -4 -5 -7
Record Minimum Temperature (°F) 15 15 18 28 30 41 45 43 37 26 23 19
Record Maximum Temperature (°C) 14 16 21 26 30 33 34 33 30 26 19 15
Record Maximum Temperature (°F) 58 61 71 78 86 91 93 92 86 78 66 59
Average Precipitation (mm) 54 40 37 37 46 45 57 59 49 57 64 48
Average Precipitation (inches) 2.1 1.6 1.5 1.5 1.8 1.8 2.2 2.3 1.9 2.2 2.5 1.9
Average Sunlight Hours 1 2 4 5 6 7 6 6 5 3 2 1
Wet Days (+0.1 mm) 15 13 11 12 12 11 12 11 13 13 15 15
Relative Humidity AM 86 85 81 71 70 70 71 76 80 85 85 87
Relative Humidity PM 77 72 64 56 57 58 59 62 65 70 78 81
Discomfort From Heat And Humidity <span class="unit-na" title="Not Available">--</span> <span class="unit-na" title="Not Available">--</span> <span class="unit-na" title="Not Available">--</span> <span class="unit-na" title="Not Available">--</span> <span class="unit-na" title="Not Available">--</span> <span class="unit-na" title="Not Available">--</span> <span class="unit-na" title="Not Available">--</span> <span class="unit-na" title="Not Available">--</span> <span class="unit-na" title="Not Available">--</span> <span class="unit-na" title="Not Available">--</span> <span class="unit-na" title="Not Available">--</span> <span class="unit-na" title="Not Available">--</span>

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

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Forecast Video

BBC London

BBC London Forecast Last updated 19:01, Wednesday 20 Aug Forecast updated Monday to Friday only

UK

UK Forecast Last updated 13:13, Wednesday 20 Aug

Observations

Observed at 21:00, Wednesday 20 August

Partly Cloudy

15°C 59°F

8km/h 5mph West North Westerly

Humidity: 56%

Visibility: Very Good

Pressure: 1018mb, Rising

Observation station: London

(Lat: 51.517 | Lon: -0.1)

BBC Weather in association with the Met Office

All times are BST (Europe/London, GMT+0100) unless otherwise stated

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