River Hamble - Swanwick Marina Weather Forecast

    • 10
    • 20

    Light rain

    • 14
    • 19

    Cloudy

    • 19
    • 22

    Cloudy

    • 14
    • 21

    Light rain shower

    • 11
    • 19

    Sunny day

    • 11
    • 19

    Partly cloudy

Today 27 Sep London and South East England

Sunday will begin dry with bright spells, but gradually becoming cloudier and breezier. Rain spreads east during the afternoon to leave a dry but chilly night with an easing wind. Maximum temperature 23 °C.

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River Hamble - Swanwick Marina Temperature Statistics

September Temperature

Thorney Island (27km)

  • Lowest 21 September, 2026

    8.8 °C

  • Average September

    17.3 °C

  • Highest 3 September, 2026

    23.5 °C

Climate (2021–2026)

Thorney Island (27km)

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  • Average Low 2021–2026

    9 °C

  • Average 2021–2026

    12.4 °C

  • Average High 2021–2026

    15.6 °C
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