Portland Weather Forecast

    • 8
    • 9

    Overcast

    • 8
    • 10

    Overcast

    • 8
    • 10

    Mist

    • 8
    • 12

    Overcast

    • 9
    • 11

    Cloudy

    • 9
    • 12

    Partly cloudy

    • 8
    • 11

    Light rain

Today 6 Mar South West England

Cloudy, with outbreaks of rain at times. The rain will be mainly light and patchy, with eastern areas most prone to catching some damp weather. The best of any sunnier breaks are expected over west Cornwall. Feeling colder than Thursday. Maximum temperature 10 °C.

Tonight 6 Mar South West England

It will remain mostly cloudy this evening and overnight, with further rain at times, mainly in the east. Turning chilly where any cloud breaks occur, with a few fog patches. Minimum temperature 5 °C.

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Portland Temperature Statistics

March Temperature

Isle Of Portland (5km)

  • Lowest 4 March, 2026

    7.7 °C

  • Average March

    9.6 °C

  • Highest 3 March, 2026

    12.3 °C

Climate (2021–Present)

Isle Of Portland (5km)

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  • Average Low 2021–2026

    10.4 °C

  • Average 2021–2026

    12.2 °C

  • Average High 2021–2026

    14.1 °C
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