Southampton Water - Port of Fawley Weather Forecast

    • 18
    • 28

    Cloudy

    • 17
    • 25

    Cloudy

    • 18
    • 25

    Cloudy

    • 16
    • 24

    Cloudy

    • 15
    • 22

    Partly cloudy

    • 13
    • 21

    Partly cloudy

    • 13
    • 21

    Partly cloudy

Today 15 Aug London and South East England

Variable cloud and isolated thundery showers possible at first but becoming generally dry with sunny spells. A fresher day compared to recently, but still hot in the south. Light winds. Maximum temperature 29 °C.

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Southampton Water - Port of Fawley Temperature Statistics

August Temperature

Thorney Island (29km)

  • Lowest 8 August, 2026

    10.6 °C

  • Average August

    20.5 °C

  • Highest 13 August, 2026

    32 °C

Climate (2021–2026)

Thorney Island (29km)

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  • Average Low 2021–2026

    9 °C

  • Average 2021–2026

    12.3 °C

  • Average High 2021–2026

    15.6 °C
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