Southsea Beach Weather Forecast

    • 18
    • 28

    Sunny day

    • 18
    • 27

    Partly cloudy

    • 17
    • 25

    Sunny day

    • 17
    • 23

    Sunny day

    • 16
    • 22

    Sunny day

    • 16
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    Sunny day

Today 15 Jul London and South East England

Patchy cloud affecting many in the morning, clear for others. A bright and sunny afternoon to follow for most. Breezy, especially at coasts. A hot day, cooler by the sea. Maximum temperature 30 °C.

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Southsea Beach Temperature Statistics

July Temperature

Thorney Island (11km)

  • Lowest 3 July, 2026

    11.6 °C

  • Average July

    21.5 °C

  • Highest 10 July, 2026

    30.8 °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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