Southsea Beach Weather Forecast

    • 22
    • 27

    Sunny day

    • 19
    • 28

    Sunny day

    • 18
    • 27

    Sunny day

    • 17
    • 25

    Partly cloudy

    • 18
    • 22

    Cloudy

    • 17
    • 22

    Cloudy

Today 12 Aug London and South East England

Dry with lots of strong sunshine, temperatures rising rapidly during the morning. Feeling widely hot, locally very hot. Maximum temperature 33 °C.

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Southsea Beach Temperature Statistics

August Temperature

Thorney Island (11km)

  • Lowest 8 August, 2026

    10.6 °C

  • Average August

    19.8 °C

  • Highest 3 August, 2026

    30.3 °C

Climate (2021–2026)

Thorney Island (11km)

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  • Average Low 2021–2026

    9 °C

  • Average 2021–2026

    12.3 °C

  • Average High 2021–2026

    15.5 °C
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