Portland Bill Lighthouse Weather Forecast

    • 5
    • 8

    Light rain

    • 8
    • 9

    Light rain

    • 7
    • 10

    Light rain shower

    • 7
    • 9

    Light rain shower

    • 7
    • 10

    Heavy rain

    • 6
    • 9

    Heavy rain shower

    • 5
    • 9

    Cloudy

Today 25 Jan South West England

A wet day for some with a band of heavy rain probably stalling across Devon, Somerset and Dorset, before moving east later. Perhaps turning sunnier in Cornwall but a few showers are possible. Winds becoming light. Maximum temperature 8 °C.

Tonight 25 Jan South West England

Showery rain gradually easing in eastern counties with clear periods developing for many. Turning cold with some frost and fog developing, especially in the east. Freshening winds in Cornwall later. Minimum temperature 1 °C.

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Portland Bill Lighthouse Temperature Statistics

January Temperature

Isle Of Portland (0km)

  • Lowest 5 January, 2026

    0.3 °C

  • Average January

    7.3 °C

  • Highest 12 January, 2026

    10.9 °C

Climate (2021–Present)

Isle Of Portland (0km)

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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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