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

Thundery Shower

25°C 77°F 16°C 61°F North Easterly
6km/h 4mph
Saturday

Light Cloud

21°C 70°F 13°C 55°F Northerly
10km/h 6mph
Sunday

Sunny Intervals

19°C 66°F 10°C 50°F North North Easterly
18km/h 11mph
Monday

Sunny Intervals

18°C 64°F 10°C 50°F Northerly
10km/h 6mph
Tuesday

Light Cloud

19°C 66°F 12°C 54°F West North Westerly
10km/h 6mph

IN ASSOCIATION WITH

Forecast

Sunrise 06:41 Sunset 19:07

Last updated 03:21

Weather forecast details for Friday 19 September. Each column contains hourly forecast details for weather conditions, temperature, wind speed, wind direction, humidity, visibility and pressure.
Time 0400 hours0500 hours                      
Weather Conditions Light Cloud Light Cloud                       
Temperature (°C/°F) 17°C 63°F 17°C 63°F                       
Wind Speed (mph/km/h) 6km/h 4mph North Easterly 5km/h 3mph North Easterly                       
Wind Direction NE NE                       
Humidity 93% 92%                       
Visibility (E = Excellent, VG = Very Good, G = Good, M = Moderate, P = Poor, VP = Very Poor) M M                       
Pressure (Millibars) 1014 1014                       

London and South East England

Forecast Summary

  • Tonight

    Heavy showers and thunderstorms continuing to affect the region overnight, these slow moving giving downpours in places. A mild night with low cloud, mist and fog patches returning.

Environmental Summary

UV: 3

UK Range: 1-7

Pollen: Moderate

UK Range: Low to Very High

Met Office Warnings Issued For: Greater London

  1. Yellow warning of rain

    From:
    0015 on Sat 20 September
    To:
    1000 on Sat 20 September
    Updated 19 September at 11:06 Active

    Warning

    Further heavy showers and thunderstorms are likely to continue through Friday night and into Saturday morning, with the main risk receding eastwards to become mostly confined to the east of the yellow area by then.

    The public should be aware of the potential for isolated disruption due to surface water flooding and lightning strikes.

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 <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 19:07, Friday 19 Sep Forecast updated Monday to Friday only

UK

UK Forecast Last updated 23:48, Friday 19 Sep

Observations

Observed at 02:00, Saturday 20 September

Light Cloud

18°C 64°F

10km/h 6mph Northerly

Humidity: 93%

Visibility: Poor

Pressure: 1013mb, 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