Staines Reservoir Weather Forecast

    • 11
    • 14

    Cloudy

    • 12
    • 17

    Light rain

    • 12
    • 19

    Cloudy

    • 14
    • 22

    Partly cloudy

    • 15
    • 25

    Sunny day

    • 14
    • 23

    Partly cloudy

Today 18 May London and South East England

Sunshine and heavy thundery showers during the day. Clouding over from the west during the evening with rain and strong winds arriving overnight. Maximum temperature 16 °C.

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Staines Reservoir Temperature Statistics

May Temperature

Heathrow (4km)

  • Lowest 12 May, 2026

    3 °C

  • Average May

    12 °C

  • Highest 1 May, 2026

    25.3 °C

Climate (2021–Present)

Heathrow (4km)

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  • Average Low 2021–2026

    8.7 °C

  • Average 2021–2026

    12.4 °C

  • Average High 2021–2026

    16.3 °C
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