Portsmouth Harbour - Tipner Range Weather Forecast

    • 18
    • 20

    Cloudy

    • 18
    • 21

    Cloudy

    • 17
    • 21

    Cloudy

    • 13
    • 21

    Cloudy

    • 15
    • 19

    Cloudy

    • 14
    • 19

    Cloudy

Today 12 Sep London and South East England

Fine during the morning with some warm sunny spells. Becoming breezier and cloudier through the afternoon, although rain probably holding off until the overnight period. Maximum temperature 24 °C.

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Portsmouth Harbour - Tipner Range Temperature Statistics

September Temperature

Thorney Island (12km)

  • Lowest 10 September, 2026

    10.7 °C

  • Average September

    17.6 °C

  • Highest 3 September, 2026

    23.5 °C

Climate (2021–2026)

Thorney Island (12km)

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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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