Weather London Heathrow Airport

Daily forecast
Day Weather Maximum Day Temperature Minimum Night Temperature Wind Direction and Speed

Sunny Intervals

24°C 75°F 13°C 55°F Easterly
16km/h 10mph

Light Cloud

23°C 73°F 14°C 57°F East North Easterly
14km/h 9mph

Light Cloud

22°C 72°F 14°C 57°F Northerly
11km/h 7mph

Light Cloud

21°C 70°F 13°C 55°F Northerly
13km/h 8mph

Light Cloud

21°C 70°F 13°C 55°F North Easterly
14km/h 9mph



Sunrise 06:17 Sunset 19:45

Last updated 04:02

Weather forecast details for Wednesday 3 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
0400 hours
Weather Conditions Sunny Intervals Sunny Intervals Sunny Intervals Sunny Intervals Sunny Clear Sky Clear Sky Partly Cloudy
Temperature (°C/°F) 15°C 59°F 18°C 64°F 22°C 72°F 23°C 73°F 21°C 70°F 17°C 63°F 15°C 59°F 14°C 57°F
Wind Speed (mph/km/h) 10km/h 6mph East North Easterly 13km/h 8mph East North Easterly 16km/h 10mph Easterly 18km/h 11mph Easterly 16km/h 10mph Easterly 13km/h 8mph Easterly 10km/h 6mph East North Easterly 8km/h 5mph North Easterly
Wind Direction ENE ENE E E E E ENE NE
Humidity 91% 82% 63% 57% 60% 70% 83% 92%
Visibility (E = Excellent, VG = Very Good, G = Good, M = Moderate, P = Poor, VP = Very Poor) M M G G G G G G
Pressure (Millibars) 1023 1024 1023 1022 1021 1022 1021 1020

London and South East England

Forecast Summary

  • Today

    It will be a dry day for most places with any early mist or low cloud clearing. Variable cloud amounts with some warm sunny spells, especially later in the afternoon, but just the chance of an isolated light shower.

  • Tonight

    It is expected to remain mostly dry overnight with some clear spells, but some mist, fog or low cloud is likely to develop by dawn.

Environmental Summary

UV: 4

UK Range: 1-7

Pollution: Low

UK Range: Low to Very High

Pollen: Low

UK Range: Low to Very High

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Forecast Video

BBC London

BBC London Forecast Last updated 19:01, Tuesday 2 Sep Forecast updated Monday to Friday only


UK Forecast Last updated 23:43, Tuesday 2 Sep


Observed at 03:00, Wednesday 3 September

Clear Sky

15°C 59°F

3km/h 2mph North North Easterly

Humidity: 91%

Visibility: Moderate

Pressure: 1024mb, Falling

Observation station: Heathrow

(Lat: 51.483 | Lon: -0.45)

BBC Weather in association with the Met Office

All times are BST (Europe/London, GMT+0100) unless otherwise stated

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