Staines Reservoir Weather Forecast

    • 16
    • 27

    Partly cloudy

    • 16
    • 26

    Sunny day

    • 19
    • 29

    Sunny day

    • 20
    • 31

    Sunny day

    • 16
    • 30

    Sunny day

    • 15
    • 26

    Sunny day

    • 15
    • 27

    Sunny day

Today 22 May London and South East England

A hot day with plenty of sunshine, staying a little cooler along the coast. The sunshine turning hazy at times. A gentle breeze strengthens during the afternoon before easing by the evening. Maximum temperature 29 °C.

Tonight 22 May London and South East England

Clouding over but remaining dry for most places, the odd spot of rain possible across northern parts later in the night. Minimum temperature 14 °C.

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Staines Reservoir Temperature Statistics

May Temperature

Heathrow (4km)

  • Lowest 12 May, 2026

    3 °C

  • Average May

    12.5 °C

  • Highest 1 May, 2026

    25.3 °C

Climate (2021–Present)

Heathrow (4km)

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  • Average Low 2021–2026

    8.8 °C

  • Average 2021–2026

    12.4 °C

  • Average High 2021–2026

    16.3 °C
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