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

Light Rain Shower

25°C 77°F 17°C 63°F North Easterly
8km/h 5mph
Friday

Light Cloud

22°C 72°F 16°C 61°F Easterly
8km/h 5mph
Saturday

Light Cloud

19°C 66°F 14°C 57°F North North Easterly
10km/h 6mph
Sunday

Sunny

18°C 64°F 9°C 48°F North Easterly
14km/h 9mph
Monday

Sunny

17°C 63°F 11°C 52°F East South Easterly
6km/h 4mph

IN ASSOCIATION WITH

Forecast

Sunrise 06:41 Sunset 19:11

Last updated 22:17

Weather forecast details for Thursday 18 September. Each column contains hourly forecast details for weather conditions, temperature, wind speed, wind direction, humidity, visibility and pressure.
Time 2300 hours0000 hours
Fri
0100 hours0200 hours0300 hours0400 hours0500 hours                 
Weather Conditions Partly Cloudy Light Cloud Partly Cloudy Light Rain Shower Light Rain Shower Light Rain Shower Heavy Rain Shower                  
Temperature (°C/°F) 20°C 68°F 19°C 66°F 19°C 66°F 18°C 64°F 18°C 64°F 18°C 64°F 17°C 63°F                  
Wind Speed (mph/km/h) 8km/h 5mph East North Easterly 8km/h 5mph North Easterly 8km/h 5mph East North Easterly 10km/h 6mph North Easterly 8km/h 5mph East North Easterly 8km/h 5mph North Easterly 8km/h 5mph East North Easterly                  
Wind Direction ENE NE ENE NE ENE NE ENE                  
Humidity 77% 80% 85% 87% 89% 91% 92%                  
Visibility (E = Excellent, VG = Very Good, G = Good, M = Moderate, P = Poor, VP = Very Poor) M M M M M M M                  
Pressure (Millibars) 1010 1010 1010 1010 1011 1011 1011                  

London and South East England

Forecast Summary

  • This Evening and Tonight

    Becoming cloudy with some mist and hill fog developing. Risk of a few heavy and perhaps thundery showers spreading north across the region late in the night.

Environmental Summary

UV: 4

UK Range: 1-7

Pollen: Moderate

UK Range: Low to Very High

Met Office Warnings Issued For: Slough

  1. Yellow warning of rain

    From:
    0015 on Fri 19 September
    To:
    2345 on Fri 19 September
    Updated 18 September at 11:01

    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

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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 18:43, Thursday 18 Sep

Observations

Observed at 22:00, Thursday 18 September

Clear Sky

18°C 64°F

8km/h 5mph East South Easterly

Humidity: 78%

Visibility: Good

Pressure: 1010mb, Rising

Observation station: Heathrow

(Lat: 51.479 | Lon: -0.449)

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