Portsmouth Harbour Entrance Weather Forecast

    • 5
    • 12

    Light rain

    • 7
    • 8

    Sunny day

    • 9
    • 12

    Heavy rain

    • 9
    • 11

    Partly cloudy

    • 10
    • 11

    Partly cloudy

    • 8
    • 11

    Light rain

Today 29 Nov London and South East England

A band of heavy rain will move east, with spells of lighter rain ahead. Dry and brighter conditions follow from the west through the afternoon along with lighter winds, after windy conditions accompany the rain. Maximum Temperature 12C.

Tonight 29 Nov London and South East England

Dry with sometimes large amounts of cloud but also clear periods, allowing temperatures to fall to freezing in some rural locations. Light winds. Minimum Temperature 0C.

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Portsmouth Harbour Entrance Temperature Statistics

November Temperature

Thorney Island (13km)

  • Lowest 21 November, 2025

    -2.3 °C

  • Average November

    10.1 °C

  • Highest 13 November, 2025

    16.3 °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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