Staines Reservoir Weather Forecast

    • 12
    • 18

    Cloudy

    • 15
    • 19

    Cloudy

    • 13
    • 21

    Partly cloudy

    • 16
    • 22

    Partly cloudy

    • 14
    • 22

    Partly cloudy

    • 16
    • 22

    Sunny day

Today 9 Sep London and South East England

Generally dry with good spells of sunshine, though there may be some isolated showers. Winds falling light. Dry with clear spells overnight. Maximum temperature 20 °C.

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Staines Reservoir Temperature Statistics

September Temperature

Heathrow (4km)

  • Lowest 5 September, 2026

    11.8 °C

  • Average September

    19.1 °C

  • Highest 6 September, 2026

    27.6 °C

Climate (2021–2026)

Heathrow (4km)

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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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