Portsmouth Harbour - Haslar Marina Weather Forecast

    • 7
    • 16

    Partly cloudy

    • 8
    • 14

    Sunny day

    • 10
    • 14

    Sunny day

    • 12
    • 14

    Partly cloudy

    • 13
    • 15

    Cloudy

    • 12
    • 15

    Light rain shower

    • 13
    • 15

    Partly cloudy

Today 16 Oct London and South East England

A mild and wet start, skies slowly clearing from the north from late morning. Chance of some showers developing during the afternoon along the Kent coast. Maximum temperature 16 °C.

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Portsmouth Harbour - Haslar Marina Temperature Statistics

October Temperature

Thorney Island (14 km)

  • Lowest 8 October, 2026

    6.8 °C

  • Average October

    14.6 °C

  • Highest 4 October, 2026

    21.3 °C

Climate (2021–2026)

Thorney Island (14 km)

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  • Average Low 2021–2026

    9 °C

  • Average 2021–2026

    12.4 °C

  • Average High 2021–2026

    15.6 °C
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