River Hamble - Swanwick Marina Weather Forecast

    • 15
    • 23

    Cloudy

    • 19
    • 28

    Partly cloudy

    • 20
    • 29

    Partly cloudy

    • 20
    • 30

    Sunny day

    • 20
    • 32

    Sunny day

    • 20
    • 31

    Sunny day

Today 20 Jun London and South East England

Cloudy at first with some sunny spells later in the day. Winds gradually easing during the afternoon and feeling a little less hot. Maximum temperature 28 °C.

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River Hamble - Swanwick Marina Temperature Statistics

June Temperature

Thorney Island (27km)

  • Lowest 11 June, 2026

    9 °C

  • Average June

    15.3 °C

  • Highest 13 June, 2026

    21.8 °C

Climate (2021–2026)

Thorney Island (27km)

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  • Average Low 2021–2026

    8.9 °C

  • Average 2021–2026

    12.2 °C

  • Average High 2021–2026

    15.3 °C
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