Portsmouth Weather Forecast

    • 13
    • 19

    Sunny day

    • 10
    • 17

    Cloudy

    • 11
    • 16

    Light rain shower

    • 11
    • 16

    Light rain shower

    • 11
    • 16

    Partly cloudy

    • 12
    • 18

    Sunny day

Today 22 May London and South East England

Sunday will be another dry and largely sunny day, and widely warmer. High cloud will turn sunshine hazy at times, moreso in the south later. Winds remaining generally light. Maximum Temperature 24C.

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Portsmouth Temperature Statistics

May Temperature

Thorney Island (6.8 miles)

  • Lowest 12 May, 2022

    6 °C

  • Average May

    13.5 °C

  • Highest 17 May, 2022

    21.5 °C

Climate (2011–Present)

Thorney Island (6.8 miles)

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  • Average Low 2011–Present

    7.5 °C

  • Average 2011–Present

    11 °C

  • Average High 2011–Present

    14.2 °C
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