Portsmouth Harbour - Inner Weather Forecast

    • 6
    • 10

    Heavy rain

    • 4
    • 10

    Partly cloudy

    • 4
    • 7

    Cloudy

    • 4
    • 7

    Light rain

    • 3
    • 7

    Partly cloudy

    • 6
    • 8

    Cloudy

Today 15 Feb London and South East England

Rain, often heavy, and strong coastal winds gradually clear east and southeast Kent by mid-afternoon. Dry and brighter conditions follow, before a band of heavy showers quickly moves east. Maximum temperature 12 °C.

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Portsmouth Harbour - Inner Temperature Statistics

February Temperature

Thorney Island (13km)

  • Lowest 13 February, 2026

    4.6 °C

  • Average February

    8.3 °C

  • Highest 11 February, 2026

    11.8 °C

Climate (2021–Present)

Thorney Island (13km)

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  • Average Low 2021–2026

    8.7 °C

  • Average 2021–2026

    12 °C

  • Average High 2021–2026

    15.2 °C
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