River Thames - Chiswick Bridge Weather Forecast

    • 11
    • 22

    Cloudy

    • 14
    • 24

    Cloudy

    • 15
    • 24

    Cloudy

    • 14
    • 24

    Partly cloudy

    • 14
    • 25

    Cloudy

    • 15
    • 25

    Sunny day

Today 21 Aug London and South East England

A dry and partly cloudy day with sunny intervals and a gentle breeze. Chance of an isolated light shower near the coast. Feeling fresher, but still pleasant in the sunshine. Maximum Temperature 23C.

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River Thames - Chiswick Bridge Temperature Statistics

August Temperature

Heathrow (12km)

  • Lowest 6 August, 2025

    11.8 °C

  • Average August

    19.9 °C

  • Highest 12 August, 2025

    32.8 °C

Climate (2020–Present)

Heathrow (12km)

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  • Average Low 2020–2025

    8.5 °C

  • Average 2020–2025

    12.2 °C

  • Average High 2020–2025

    16.1 °C
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