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    • 18
    • 26

    Cloudy

    • 16
    • 23

    Light rain

    • 15
    • 21

    Light rain shower

    • 15
    • 20

    Light rain shower

    • 14
    • 21

    Light rain shower

    • 13
    • 21

    Partly cloudy

    • 13
    • 21

    Partly cloudy

Today 26 Aug London and South East England

Rather cloudy at first, with some overnight rain lingering, especially in the north. Brighter skies developing by lunchtime, with plenty of sunny spells into the afternoon. A few showers possible, but many places dry. Very warm and humid. Maximum temperature 28 °C.

Tonight 26 Aug London and South East England

Largely dry this evening with late spells of sunshine. Further rain and showers will then move up from the south overnight, potentially heavy and thundery in places. Warm and muggy. Minimum temperature 17 °C.

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August Temperature

Heathrow (21km)

  • Lowest 23 August, 2026

    11.3 °C

  • Average August

    21.4 °C

  • Highest 13 August, 2026

    36.9 °C

Climate (2021–2026)

Heathrow (21km)

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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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