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

Light Cloud

24°C 75°F 14°C 57°F Easterly
14km/h 9mph
Friday

Light Cloud

21°C 70°F 14°C 57°F Easterly
10km/h 6mph
Saturday

Thick Cloud

19°C 66°F 10°C 50°F North North Easterly
10km/h 6mph
Sunday

Sunny Intervals

18°C 64°F 8°C 46°F North Easterly
13km/h 8mph
Monday

Sunny Intervals

17°C 63°F 9°C 48°F South South Easterly
10km/h 6mph

IN ASSOCIATION WITH

Forecast

Sunrise 06:42 Sunset 19:12

Last updated 12:07

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 1400 hours1500 hours1600 hours1700 hours1800 hours1900 hours2000 hours2100 hours2200 hours2300 hours0000 hours
Fri
0100 hours0200 hours0300 hours0400 hours0500 hours        
Weather Conditions Sunny Intervals Sunny Intervals Light Cloud Light Cloud Light Cloud Light Cloud Partly Cloudy Partly Cloudy Partly Cloudy Partly Cloudy Partly Cloudy Partly Cloudy Partly Cloudy Light Cloud Light Cloud Light Cloud         
Temperature (°C/°F) 22°C 72°F 22°C 72°F 22°C 72°F 22°C 72°F 22°C 72°F 20°C 68°F 20°C 68°F 19°C 66°F 18°C 64°F 17°C 63°F 16°C 61°F 16°C 61°F 15°C 59°F 15°C 59°F 15°C 59°F 15°C 59°F         
Wind Speed (mph/km/h) 11km/h 7mph Easterly 11km/h 7mph Easterly 10km/h 6mph Easterly 8km/h 5mph East South Easterly 8km/h 5mph Easterly 8km/h 5mph Easterly 8km/h 5mph Easterly 8km/h 5mph Easterly 10km/h 6mph Easterly 10km/h 6mph Easterly 8km/h 5mph Easterly 8km/h 5mph East North Easterly 6km/h 4mph North Easterly 6km/h 4mph North Easterly 6km/h 4mph East North Easterly 6km/h 4mph East North Easterly         
Wind Direction E E E ESE E E E E E E E ENE NE NE ENE ENE         
Humidity 67% 63% 63% 66% 69% 75% 77% 79% 82% 85% 88% 91% 92% 93% 94% 94%         
Visibility (E = Excellent, VG = Very Good, G = Good, M = Moderate, P = Poor, VP = Very Poor) M M M M M M M M M M M M M M M M         
Pressure (Millibars) 1009 1009 1009 1009 1009 1010 1010 1010 1011 1011 1011 1011 1011 1011 1011 1011         

London and South East England

Forecast Summary

  • Today

    Early mist and low cloud lifting to leave a warm day with spells of hazy sunshine. Risk of the odd heavy and perhaps thundery downpour developing during the afternoon and evening, particularly in the west but most parts staying dry.

  • Tonight

    Clouding over with some mist and hill fog developing. Risk of a few heavy and perhaps thundery showers spreading north across the region through the night.

Environmental Summary

UV: 3

UK Range: 1-7

Pollen: Moderate

UK Range: Low to Very High

Met Office Warnings Issued For: Buckinghamshire

  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 19:03, Wednesday 17 Sep Forecast updated Monday to Friday only

UK

UK Forecast Last updated 13:00, Thursday 18 Sep

Observations

Observed at 12:00, Thursday 18 September

Light Cloud

20°C 68°F

13km/h 8mph Easterly

Humidity: 77%

Visibility: Moderate

Pressure: 1010mb, Falling

Observation station: High Wycombe

(Lat: 51.683 | Lon: -0.8)

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