Portsmouth Harbour - Burrow Island Weather Forecast

    • 17
    • 26

    Sunny day

    • 18
    • 26

    Sunny day

    • 16
    • 24

    Sunny day

    • 15
    • 21

    Sunny day

    • 15
    • 19

    Sunny day

    • 14
    • 20

    Sunny day

    • 15
    • 20

    Cloudy

Today 24 May London and South East England

Another hot day with temperatures continuing to rise. Dry and sunny with the wind remaining light. Maximum temperature 31 °C.

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Portsmouth Harbour - Burrow Island Temperature Statistics

May Temperature

Thorney Island (14km)

  • Lowest 12 May, 2026

    2 °C

  • Average May

    12.5 °C

  • Highest 22 May, 2026

    22.8 °C

Climate (2021–Present)

Thorney Island (14km)

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  • Average Low 2021–2026

    8.9 °C

  • Average 2021–2026

    12.2 °C

  • Average High 2021–2026

    15.3 °C
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