Portsmouth Harbour - Fareham Marina Weather Forecast

    • 13
    • 22

    Partly cloudy

    • 14
    • 21

    Partly cloudy

    • 17
    • 22

    Cloudy

    • 17
    • 22

    Cloudy

    • 18
    • 22

    Cloudy

    • 16
    • 22

    Thunder shower

    • 16
    • 20

    Heavy rain shower

Today 22 Aug London and South East England

The odd morning shower is possible across Kent. Otherwise, a dry and bright day for most on Saturday with spells of sunshine. Feeling pleasant with temperatures near average. Maximum temperature 19 °C.

Tonight 22 Aug London and South East England

A bright end to the day with sunny spells this evening. Mostly dry overnight with clear spells developing. Chance of an isolated coastal shower in the east of the region. Minimum temperature 9 °C.

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Portsmouth Harbour - Fareham Marina Temperature Statistics

August Temperature

Thorney Island (18km)

  • Lowest 8 August, 2026

    10.6 °C

  • Average August

    20.9 °C

  • Highest 13 August, 2026

    32 °C

Climate (2021–2026)

Thorney Island (18km)

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  • Average Low 2021–2026

    9 °C

  • Average 2021–2026

    12.3 °C

  • Average High 2021–2026

    15.6 °C
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