Windsor Weather Forecast

    • 10
    • 22

    Partly cloudy

    • 11
    • 23

    Cloudy

    • 12
    • 20

    Partly cloudy

    • 12
    • 21

    Cloudy

    • 15
    • 19

    Partly cloudy

    • 18
    • 24

    Partly cloudy

    • 14
    • 22

    Heavy rain shower

Today 24 Sep London and South East England

A cold, bright start across the region, with any mist patches clearing quickly. Cloud builds at times through the day but remaining dry with good sunny spells. Warm in the sun by mid afternoon. Light winds. Maximum temperature 23 °C.

Tonight 24 Sep London and South East England

Fine and partly cloudy initially. Cloud breaks to give a clear night with mist and fog patches developing. Another cool night likely, particularly in rural areas. Minimum temperature 6 °C.

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Windsor Temperature Statistics

September Temperature

Heathrow (11km)

  • Lowest 21 September, 2026

    9.2 °C

  • Average September

    18.3 °C

  • Highest 6 September, 2026

    27.6 °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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