Isle of Arran - Millstone Point Weather Forecast

    • 7
    • 9

    Overcast

    • 8
    • 9

    Overcast

    • 7
    • 9

    Cloudy

    • 6
    • 8

    Cloudy

    • 5
    • 7

    Cloudy

    • 4
    • 6

    Partly cloudy

    • 4
    • 6

    Cloudy

Today 20 Dec Strathclyde

Mainly dry with only a few well scattered showers appearing. With winds now backed southeasterly the best of the sunny spells will be in the Central Belt. Maximum Temperature 9C.

Tonight 20 Dec Strathclyde

Mostly dry with best of the clear spells developing in the Central Belt, with only a few isolated light showers appearing, these chiefly overnight and across Ayrshire. Minimum Temperature 4C.

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Isle of Arran - Millstone Point Temperature Statistics

December Temperature

Machrihanish (42km)

  • Lowest 5 December, 2025

    1.1 °C

  • Average December

    8.2 °C

  • Highest 9 December, 2025

    13.6 °C

Climate (2020–Present)

Machrihanish (42km)

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  • Average Low 2020–2025

    7.5 °C

  • Average 2020–2025

    10.3 °C

  • Average High 2020–2025

    12.8 °C
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