Isle of Arran - Millstone Point Weather Forecast

    • 13
    • 20

    Sunny day

    • 12
    • 20

    Sunny day

    • 12
    • 19

    Cloudy

    • 13
    • 21

    Sunny day

    • 11
    • 17

    Cloudy

    • 12
    • 17

    Cloudy

    • 12
    • 16

    Light rain

Today 25 May Strathclyde

A largely dry day with plenty of sunshine and feeling warm. Cloudier with a few spots of light rain possible for northern and western parts of Argyll Maximum temperature 22 °C.

Tonight 25 May Strathclyde

A dry and warm evening with some late sunny then clear spells. Generally cloudier across Argyll with the risk of mist and fog for western coasts. Minimum temperature 10 °C.

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Isle of Arran - Millstone Point Temperature Statistics

May Temperature

Machrihanish (42km)

  • Lowest 18 May, 2026

    9.1 °C

  • Average May

    12.5 °C

  • Highest 21 May, 2026

    18.8 °C

Climate (2021–Present)

Machrihanish (42km)

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  • Average Low 2021–2026

    7.7 °C

  • Average 2021–2026

    10.4 °C

  • Average High 2021–2026

    12.9 °C
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