Portsmouth Harbour Entrance Weather Forecast

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    • 19

    Sunny day

    • 12
    • 18

    Sunny day

    • 14
    • 18

    Sunny day

    • 17
    • 18

    Sunny day

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    Sunny day

Today 17 Sep London and South East England

Some early cloud in the far southeast will soon clear to leave a dry and bright morning with long spells of sunshine. Some fair weather cloud may develop across northern parts during the afternoon, but staying dry and sunny. Maximum Temperature 21C.

Tonight 17 Sep London and South East England

Staying dry and clear for most overnight, but with a chance of some fog patches and maybe a touch of rural grass frost. Minimum Temperature 5C.

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Portsmouth Harbour Entrance Temperature Statistics

September Temperature

Thorney Island (8.1 miles)

  • Lowest 8 September, 2019

    5.8 °C

  • Average September

    14.7 °C

  • Highest 1 September, 2019

    21 °C

Climate (2011–Present)

Thorney Island (8.1 miles)

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  • Average Low 2011–Present

    8.2 °C

  • Average 2011–Present

    11.2 °C

  • Average High 2011–Present

    14 °C
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