Portsmouth Harbour - Burrow Island Weather Forecast

    • 15
    • 22

    Cloudy

    • 14
    • 22

    Partly cloudy

    • 14
    • 22

    Sunny day

    • 16
    • 22

    Sunny day

    • 16
    • 22

    Sunny day

    • 18
    • 22

    Sunny day

Today 6 Jul London and South East England

Rather cloudy with some heavy, perhaps thundery showers developing. The heaviest showers should become confined towards Kent from mid-afternoon, mostly dry elsewhere. Maximum Temperature 23C.

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Portsmouth Harbour - Burrow Island Temperature Statistics

July Temperature

Thorney Island (14km)

  • Lowest 3 July, 2025

    10.3 °C

  • Average July

    19.2 °C

  • Highest 1 July, 2025

    27.4 °C

Climate (2020–Present)

Thorney Island (14km)

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  • Average Low 2020–2025

    8.6 °C

  • Average 2020–2025

    11.9 °C

  • Average High 2020–2025

    15.1 °C
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