Southbourne Weather Forecast

    • 12
    • 21

    Cloudy

    • 14
    • 18

    Light rain

    • 13
    • 17

    Thunder shower

    • 14
    • 16

    Light rain

    • 12
    • 16

    Light rain shower

    • 12
    • 15

    Light rain shower

    • 12
    • 16

    Partly cloudy

Today 31 May London and South East England

A dry start to the day with some hazy sunshine. Showers then developing in the afternoon but most places remaining dry with sunny spells. Still warm for the time of year although temperatures significantly down compared to previous days. Maximum temperature 22 °C.

Tonight 31 May London and South East England

Any showers should quickly dissipate. A dry and clear night to follow with the wind easing light. Remaining mild in urban areas but much cooler in rural spots. Minimum temperature 12 °C.

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Southbourne Temperature Statistics

May Temperature

Thorney Island (3km)

  • Lowest 12 May, 2026

    2 °C

  • Average May

    14.4 °C

  • Highest 25 May, 2026

    29.1 °C

Climate (2021–Present)

Thorney Island (3km)

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  • Average Low 2021–2026

    8.9 °C

  • Average 2021–2026

    12.2 °C

  • Average High 2021–2026

    15.4 °C
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