Dorchester Weather Forecast

    • 7
    • 14

    Partly cloudy

    • 7
    • 10

    Light rain

    • 7
    • 13

    Cloudy

    • 7
    • 12

    Mist

    • 6
    • 12

    Overcast

    • 8
    • 11

    Mist

    • 7
    • 12

    Cloudy

Today 5 Mar South West England

Some sunshine possible in the east, where feeling very mild. Temperatures suppressed slightly in the west as cloud thickens ahead of rain arriving later. Maximum temperature 16 °C.

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Dorchester Temperature Statistics

March Temperature

Isle Of Portland (21km)

  • Lowest 3 March, 2026

    8.2 °C

  • Average March

    9.7 °C

  • Highest 2 March, 2026

    11.9 °C

Climate (2021–Present)

Isle Of Portland (21km)

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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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