Windsor Weather Forecast

    • 19
    • 24

    Cloudy

    • 12
    • 22

    Cloudy

    • 14
    • 21

    Sunny day

    • 17
    • 25

    Partly cloudy

    • 14
    • 22

    Cloudy

    • 12
    • 19

    Partly cloudy

    • 11
    • 18

    Partly cloudy

Today 3 Sep London and South East England

Bright through the morning with widespread sunny spells developing, feeling warm in the sunshine. Largely dry throughout, through some showers are possible along the coast. Remaining breezy. Maximum temperature 27 °C.

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Windsor Temperature Statistics

September Temperature

Heathrow (11km)

  • Lowest 1 September, 2026

    12.7 °C

  • Average September

    17.4 °C

  • Highest 1 September, 2026

    23.8 °C

Climate (2021–2026)

Heathrow (11km)

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  • Average Low 2021–2026

    8.9 °C

  • Average 2021–2026

    12.7 °C

  • Average High 2021–2026

    16.6 °C
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