Johnstone Castle Weather Forecast

    • 11
    • 17

    Light rain

    • 8
    • 13

    Heavy rain shower

    • 8
    • 12

    Heavy rain shower

    • 10
    • 14

    Light rain

    • 9
    • 16

    Light rain shower

    • 9
    • 15

    Light rain

    • 9
    • 16

    Light rain shower

Today 24 May Strathclyde

This morning will be cloudy with a few showers. Remaining mostly cloudy this afternoon with a few showers. Misty along the Argyll coast. Rather humid. Maximum Temperature 18C.

Tonight 24 May Strathclyde

A band of heavy rain will spread northeast for a time this evening and early tonight, with thunder possible, especially over Argyll. The rest of the night will see more scattered showers. Becoming breezy. Minimum Temperature 10C.

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Johnstone Castle Temperature Statistics

May Temperature

Glasgow/bishopton (9km)

  • Lowest 5 May, 2025

    0.5 °C

  • Average May

    12.2 °C

  • Highest 16 May, 2025

    24.4 °C

Climate (2020–Present)

Glasgow/bishopton (9km)

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  • Average Low 2020–2025

    6.3 °C

  • Average 2020–2025

    9.6 °C

  • Average High 2020–2025

    13.1 °C
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