Staines Reservoir Weather Forecast

    • 20
    • 33

    Sunny day

    • 18
    • 33

    Sunny day

    • 15
    • 25

    Sunny day

    • 17
    • 28

    Partly cloudy

    • 15
    • 25

    Cloudy

    • 16
    • 25

    Cloudy

    • 16
    • 23

    Cloudy

Today 25 May London and South East England

A fine and dry day, with bright sunshine and light variable winds. Feeling hot, though temperatures could be a degree or two cooler along the coast in any sea breezes. Maximum temperature 35 °C.

Tonight 25 May London and South East England

Clear skies throughout the evening with light and variable winds, though breezy along the coast. Overnight temperatures remaining relatively mild. Minimum temperature 18 °C.

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Staines Reservoir Temperature Statistics

May Temperature

Heathrow (4km)

  • Lowest 12 May, 2026

    3 °C

  • Average May

    13.7 °C

  • Highest 23 May, 2026

    29.3 °C

Climate (2021–Present)

Heathrow (4km)

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  • Average Low 2021–2026

    8.8 °C

  • Average 2021–2026

    12.5 °C

  • Average High 2021–2026

    16.3 °C
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