Grimstone Weather Forecast

    • 15
    • 20

    Partly cloudy

    • 13
    • 21

    Cloudy

    • 18
    • 27

    Sunny day

    • 18
    • 29

    Sunny day

    • 16
    • 29

    Sunny day

    • 17
    • 28

    Sunny day

    • 17
    • 27

    Sunny day

Today 19 Jun South West England

Rather cloudy in the west but turning much sunnier in the east. Feeling very warm in the sunshine here. Heavy rain and brisk winds in the far west by evening. Maximum temperature 25 °C.

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Grimstone Temperature Statistics

June Temperature

Isle Of Portland (25km)

  • Lowest 10 June, 2026

    11.7 °C

  • Average June

    14.3 °C

  • Highest 15 June, 2026

    17.5 °C

Climate (2021–2026)

Isle Of Portland (25km)

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  • Average Low 2021–2026

    10.5 °C

  • Average 2021–2026

    12.3 °C

  • Average High 2021–2026

    14.2 °C
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