Windsor Weather Forecast

    • 11
    • 21

    Cloudy

    • 12
    • 21

    Partly cloudy

    • 14
    • 22

    Sunny day

    • 16
    • 22

    Partly cloudy

    • 17
    • 24

    Cloudy

    • 17
    • 25

    Cloudy

    • 15
    • 23

    Light rain shower

Today 21 Aug London and South East England

Another day of sunny spells and showers today, although showers perhaps not as widespread as Thursday. Some heavy and possibly thundery showers developing still, especially throughout the afternoon. Feeling a little cooler, with temperatures near average. Maximum temperature 23 °C.

Tonight 21 Aug London and South East England

Showers will ease this evening, though some may linger into the night towards the Kent coast. Clearer skies will bring a rather cool night, especially in rural areas. Minimum temperature 10 °C.

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Windsor Temperature Statistics

August Temperature

Heathrow (11km)

  • Lowest 7 August, 2026

    11.6 °C

  • Average August

    22.3 °C

  • Highest 13 August, 2026

    36.9 °C

Climate (2021–2026)

Heathrow (11km)

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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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