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

Partly Cloudy

25°C 77°F 16°C 61°F South Westerly
Wind Speed 14 km/h 9 mph
Sunday

Light Cloud

22°C 72°F 15°C 59°F South Westerly
Wind Speed 21 km/h 13 mph
Monday

Sunny

24°C 75°F 15°C 59°F North Westerly
Wind Speed 13 km/h 8 mph
Tuesday

Sunny

25°C 77°F 15°C 59°F South Westerly
Wind Speed 11 km/h 7 mph
Wednesday

Sunny Intervals

25°C 77°F 15°C 59°F West South Westerly
Wind Speed 13 km/h 8 mph

IN ASSOCIATION WITH

Forecast

Sunrise 06:06 Sunset 19:57

Last updated 19:07

Weather forecast details for Saturday 27 August. Each column contains hourly forecast details for weather conditions, temperature, wind speed, wind direction, humidity, visibility and pressure.
Time 2200 hours0100 hours
Sun
0400 hours     
Weather Conditions Partly Cloudy Partly Cloudy Partly Cloudy      
Temperature (°C/°F) 21°C 70°F 19°C 66°F 17°C 63°F      
Wind Speed (mph/km/h) Wind Speed 10 km/h 6 mph South Westerly Wind Speed 14 km/h 9 mph South Westerly Wind Speed 16 km/h 10 mph West South Westerly      
Wind Direction SW SW WSW      
Humidity 75% 81% 80%      
Visibility (E = Excellent, VG = Very Good, G = Good, M = Moderate, P = Poor, VP = Very Poor) GGVG     
Pressure (Millibars) 1012 1011 1011      

London and South East England

Forecast Summary

  • This Evening and Tonight

    Scattered heavy and perhaps thundery showers are likely during evening and first half of the night, before gradually easing away during the early hours of Sunday.

Environmental Summary

UV: 3

UK Range: 1-8

Pollution: Moderate

UK Range: Low to Very High

Pollen: Moderate

UK Range: Low to Very High

Met Office Warnings Issued For: Greater London

  1. Yellow warning of rain

    From:
    1100 on Sat 27 August
    To:
    2100 on Sat 27 August
    Updated 27 August at 10:22 Active

    Warning

    Thundery showers are expected to become more widespread later this morning and during Saturday afternoon, before easing from the southwest into the evening. Some torrential downpours are possible.

    Please be aware of the risk of surface water flooding, including local disruption to transport and outdoor activities.This warning has been updated to focus the zone at risk through today, whilst a separate warning will cover the potential for further heavy rain into Sunday, this time for more northern parts of England and Wales.

A list of all UK Warnings can be found on our More UK Weather page.

Weather Warnings Key

  • Red: Take action
  • Amber: Be prepared
  • Yellow: Be aware

Issued by the Met Office

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 -- -- -- -- -- -- -- -- -- -- -- --

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

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Last updated 13:48 BST, Friday 26 AugForecast updated Monday to Friday only

UK

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Last updated 17:07 BST, Saturday 27 Aug

Observations

Observed at 19:00, Saturday 27 August

Sunny Intervals

24°C 75°F

Wind Speed 10 km/h 6 mph Easterly

Humidity: 65%

Visibility: Very Good

Pressure: 1012mb, Falling

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