Portsmouth Harbour - Inner Weather Forecast

    • 14
    • 17

    Cloudy

    • 11
    • 17

    Light rain shower

    • 11
    • 16

    Heavy rain shower

    • 11
    • 16

    Light rain shower

    • 13
    • 16

    Light rain

    • 13
    • 18

    Cloudy

    • 13
    • 19

    Partly cloudy

Today 7 Jun London and South East England

Variable amounts of could but a widely dry, bright and warm day. Rather breezy during the afternoon, although the winds not as strong compared to Saturday. Maximum temperature 23 °C.

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Portsmouth Harbour - Inner Temperature Statistics

June Temperature

Thorney Island (13km)

  • Lowest 1 June, 2026

    11.5 °C

  • Average June

    14.9 °C

  • Highest 2 June, 2026

    18.8 °C

Climate (2021–Present)

Thorney Island (13km)

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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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