Staines Reservoir Weather Forecast

    • 15
    • 23

    Partly cloudy

    • 11
    • 22

    Partly cloudy

    • 12
    • 19

    Cloudy

    • 14
    • 22

    Sunny day

    • 14
    • 20

    Partly cloudy

    • 15
    • 21

    Cloudy

Today 22 Sep London and South East England

Another dry day with plenty of sunshine Tuesday, perhaps cloudier across the far north and west of the region. Feeling warm, perhaps very warm, in the sunshine, with light winds. Maximum temperature 25 °C.

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Staines Reservoir Temperature Statistics

September Temperature

Heathrow (4km)

  • Lowest 18 September, 2026

    11 °C

  • Average September

    18.3 °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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