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

Light Cloud

26°C 79°F 15°C 59°F East North Easterly
10km/h 6mph
Friday

Light Cloud

24°C 75°F 15°C 59°F East North Easterly
10km/h 6mph
Saturday

Light Cloud

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

Sunny Intervals

20°C 68°F 10°C 50°F North North Easterly
16km/h 10mph
Monday

Sunny

19°C 66°F 11°C 52°F North Easterly
11km/h 7mph

IN ASSOCIATION WITH

Forecast

Sunrise 06:41 Sunset 19:07

Last updated 01:09

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 0700 hours1000 hours1300 hours1600 hours1900 hours2200 hours0100 hours
Sat
0400 hours
Weather Conditions Light Rain Light Rain Light Cloud Sunny Intervals Light Cloud Partly Cloudy Partly Cloudy Light Rain Shower
Temperature (°C/°F) 16°C 61°F 18°C 64°F 21°C 70°F 22°C 72°F 21°C 70°F 18°C 64°F 17°C 63°F 16°C 61°F
Wind Speed (mph/km/h) 8km/h 5mph North Easterly 10km/h 6mph East North Easterly 10km/h 6mph East North Easterly 8km/h 5mph Easterly 10km/h 6mph North North Easterly 10km/h 6mph North Easterly 8km/h 5mph North Easterly 6km/h 4mph North North Easterly
Wind Direction NE ENE ENE E NNE NE NE NNE
Humidity 93% 91% 85% 75% 70% 78% 86% 90%
Visibility (E = Excellent, VG = Very Good, G = Good, M = Moderate, P = Poor, VP = Very Poor) M M M M M G G M
Pressure (Millibars) 1011 1012 1012 1012 1012 1014 1014 1014

London and South East England

Forecast Summary

  • Friday

    Rather cloudy with early mist clearing allowing some bright spells to develop. Risk throughout the day of heavy and perhaps thundery downpours developing in places. Feeling warm.

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 Fri 19 September
    To:
    2345 on Fri 19 September
    Updated 18 September at 11:01 Active

    Warning

    Heavy showers and thunderstorms are likely to spread from the south across some southern and western parts of England, and also Wales, on Thursday night - the risk then continuing through much of Friday. Many places will miss these but the public should be aware of the potential for isolated disruption due to surface water flooding, lightning strikes and hail.

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 22:31, Thursday 18 Sep Forecast updated Monday to Friday only

UK

UK Forecast Last updated 23:38, Thursday 18 Sep

Observations

Observed at 00:00, Friday 19 September

Clear Sky

18°C 64°F

5km/h 3mph East North Easterly

Humidity: 82%

Visibility: Moderate

Pressure: 1010mb, 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