Southbourne Weather Forecast

    • 15
    • 24

    Light rain shower

    • 13
    • 23

    Light rain

    • 14
    • 23

    Cloudy

    • 13
    • 19

    Cloudy

    • 14
    • 17

    Light rain

    • 13
    • 17

    Light rain shower

    • 13
    • 17

    Heavy rain shower

Today 28 May London and South East England

Largely sunny and dry this morning and becoming widely very warm or hot again, away from cooler and breezier coastal areas. Generally turning cloudier during the afternoon with scattered showers developing, these could be accompanied by some thunder at times. Maximum temperature 32 °C.

Tonight 28 May London and South East England

Any showers or thunderstorms easing and skies clearing to leave a fine, dry night. Warm overnight for many eastern areas, although feeling slightly fresher in the west. Minimum temperature 13 °C.

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Southbourne Temperature Statistics

May Temperature

Thorney Island (3km)

  • Lowest 12 May, 2026

    2 °C

  • Average May

    13.8 °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

    15.3 °C
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