Castle Douglas Weather Forecast

    • 12
    • 20

    Cloudy

    • 11
    • 18

    Light rain shower

    • 11
    • 17

    Partly cloudy

    • 14
    • 18

    Partly cloudy

    • 12
    • 18

    Light rain shower

    • 11
    • 17

    Light rain shower

    • 12
    • 18

    Cloudy

Today 3 Aug South West Scotland and Lothian Borders

Persistent overnight rain clears eastern parts early morning, but leaving a cloudy start with some patchy rain. Turning drier and brighter through the morning. Sunny spells and a few isolated showers possible in the afternoon. Maximum Temperature 23C.

Tonight 3 Aug South West Scotland and Lothian Borders

A dry evening with some late sunshine then clear spells. Cloud soon increases overnight with rain spreading northeast in the early hours. Freshening southerly winds along the Solway coast. Minimum Temperature 12C.

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Castle Douglas Temperature Statistics

August Temperature

Dundrennan (16km)

  • Lowest 2 August, 2025

    8.6 °C

  • Average August

    12.1 °C

  • Highest 1 August, 2025

    17 °C

Climate (2020–Present)

Dundrennan (16km)

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  • Average Low 2020–2025

    7.2 °C

  • Average 2020–2025

    9.6 °C

  • Average High 2020–2025

    12.1 °C
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