Southbourne Weather Forecast

    • 9
    • 12

    Cloudy

    • 6
    • 12

    Cloudy

    • 3
    • 9

    Partly cloudy

    • 3
    • 9

    Partly cloudy

    • 5
    • 10

    Overcast

    • 4
    • 10

    Sunny day

    • 7
    • 12

    Cloudy

Today 23 Mar London and South East England

Dry Monday with bright or sunny spells, temperatures a little above average with light winds inland and breezy along the coasts in sea breezes. Maximum temperature 15 °C.

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Southbourne Temperature Statistics

March Temperature

Thorney Island (3km)

  • Lowest 15 March, 2026

    0.1 °C

  • Average March

    8.9 °C

  • Highest 19 March, 2026

    16.9 °C

Climate (2021–2026)

Thorney Island (3km)

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  • Average Low 2021–2026

    8.7 °C

  • Average 2021–2026

    12.1 °C

  • Average High 2021–2026

    15.2 °C
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