Southbourne Weather Forecast

    • 13
    • 21

    Partly cloudy

    • 13
    • 24

    Sunny day

    • 15
    • 25

    Sunny day

    • 16
    • 25

    Sunny day

    • 15
    • 26

    Sunny day

    • 15
    • 23

    Sunny day

    • 14
    • 22

    Sunny day

Today 22 May London and South East England

A hot day with plenty of sunshine, staying a little cooler along the coast. The sunshine turning hazy at times. A gentle breeze strengthens during the afternoon before easing by the evening. Maximum temperature 29 °C.

Tonight 22 May London and South East England

Clouding over but remaining dry for most places, the odd spot of rain possible across northern parts later in the night. Minimum temperature 14 °C.

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Southbourne Temperature Statistics

May Temperature

Thorney Island (3km)

  • Lowest 12 May, 2026

    2 °C

  • Average May

    11.9 °C

  • Highest 9 May, 2026

    21.2 °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

    15.3 °C
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