Windsor Weather Forecast

    • 23
    • 32

    Sunny day

    • 21
    • 35

    Sunny day

    • 19
    • 30

    Partly cloudy

    • 13
    • 24

    Cloudy

    • 16
    • 23

    Cloudy

    • 14
    • 22

    Cloudy

    • 16
    • 24

    Sunny day

Today 25 Jun London and South East England

Dry with long periods of hazy sunshine, but very hot or locally exceptionally hot across western areas. Breezier conditions will develop compared with recent days, bringing cooler temperatures along coastal areas. Maximum temperature 38 °C.

Tonight 25 Jun London and South East England

Another exceptionally warm night, with humid conditions persisting. Some largely clear skies but a chance of isolated showers or thundery outbreaks for a time, mostly in west. Minimum temperature 25 °C.

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Windsor Temperature Statistics

June Temperature

Heathrow (11km)

  • Lowest 11 June, 2026

    9.1 °C

  • Average June

    18.2 °C

  • Highest 23 June, 2026

    33.9 °C

Climate (2021–2026)

Heathrow (11km)

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  • Average Low 2021–2026

    8.8 °C

  • Average 2021–2026

    12.5 °C

  • Average High 2021–2026

    16.4 °C
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