Old Portsmouth Beach Weather Forecast

    • 10
    • 16

    Overcast

    • 12
    • 17

    Sunny day

    • 12
    • 16

    Overcast

    • 11
    • 15

    Cloudy

    • 12
    • 15

    Cloudy

    • 12
    • 16

    Overcast

Today 8 Oct London and South East England

A cloudy start to Wednesday, with outbreaks of light rain and drizzle during the morning. Rain dying out in the afternoon with late sunny spells and light winds. Maximum Temperature 18C.

Tonight 8 Oct London and South East England

Dry with the risk of fog patches forming overnight under clear skies and light winds. Feeling much cooler than of late. Minimum Temperature 8C.

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Old Portsmouth Beach Temperature Statistics

October Temperature

Thorney Island (13km)

  • Lowest 1 October, 2025

    7.3 °C

  • Average October

    13.6 °C

  • Highest 6 October, 2025

    18.4 °C

Climate (2020–Present)

Thorney Island (13km)

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  • Average Low 2020–2025

    8.6 °C

  • Average 2020–2025

    11.9 °C

  • Average High 2020–2025

    15.1 °C
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