Portsmouth Weather Forecast

    • 11
    • 15

    Heavy rain

    • 11
    • 13

    Partly cloudy

    • 15
    • 17

    Heavy rain

    • 12
    • 16

    Light rain shower

    • 10
    • 15

    Partly cloudy

    • 13
    • 15

    Cloudy

    • 12
    • 15

    Partly cloudy

Today 24 Oct London and South East England

Cool start Saturday, but turning wet and windy with rain spreading east from mid-morning, becoming heavy at times. Winds will strengthen further during the afternoon with coastal gales possible. Maximum temperature 16 °C.

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Portsmouth Temperature Statistics

October Temperature

Thorney Island (11 km)

  • Lowest 17 October, 2026

    6.3 °C

  • Average October

    13.6 °C

  • Highest 4 October, 2026

    21.3 °C

Climate (2021–2026)

Thorney Island (11 km)

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  • Average Low 2021–2026

    9 °C

  • Average 2021–2026

    12.4 °C

  • Average High 2021–2026

    15.6 °C
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