Portland Harbour Weather Forecast

    • 5
    • 10

    Light rain

    • 3
    • 6

    Partly cloudy

    • 2
    • 6

    Sunny day

    • 5
    • 8

    Partly cloudy

    • 7
    • 10

    Heavy rain

    • 6
    • 10

    Cloudy

Today 18 Nov South West England

A cloudier day with isolated showers through the morning and perhaps more widespread showers or longer spells of rain during the afternoon. Continuing to feel chilly as winds strengthen later. Maximum Temperature 10C.

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Portland Harbour Temperature Statistics

November Temperature

Isle Of Portland (6km)

  • Lowest 17 November, 2025

    5.4 °C

  • Average November

    13 °C

  • Highest 13 November, 2025

    15.7 °C

Climate (2020–Present)

Isle Of Portland (6km)

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  • Average Low 2020–2025

    10.3 °C

  • Average 2020–2025

    12.1 °C

  • Average High 2020–2025

    14.1 °C
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