Heathrow Airport Weather Forecast

    • 18
    • 28

    Sunny day

    • 17
    • 28

    Cloudy

    • 15
    • 27

    Cloudy

    • 13
    • 25

    Partly cloudy

    • 13
    • 23

    Light rain shower

    • 12
    • 22

    Light rain shower

    • 12
    • 22

    Partly cloudy

Today 16 Aug London and South East England

Generally cloudy to start Sunday with the odd spot of rain possible. Turning brighter through the afternoon with more sunny spells developing. Feeling pleasant in the sunshine and light winds. Maximum temperature 25 °C.

Tonight 16 Aug London and South East England

Cloud increasing overnight, perhaps with a few outbreaks of rain and drizzle. A rather mild night with light westerly winds. Minimum temperature 15 °C.

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Heathrow Airport Temperature Statistics

August Temperature

Heathrow (0km)

  • Lowest 7 August, 2026

    11.6 °C

  • Average August

    22.7 °C

  • Highest 13 August, 2026

    36.9 °C

Climate (2021–2026)

Heathrow (0km)

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  • Average Low 2021–2026

    8.9 °C

  • Average 2021–2026

    12.6 °C

  • Average High 2021–2026

    16.5 °C
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