Johnstone Weather Forecast

    • 15
    • 19

    Cloudy

    • 13
    • 21

    Cloudy

    • 15
    • 22

    Partly cloudy

    • 12
    • 19

    Light rain shower

    • 11
    • 18

    Light rain shower

    • 11
    • 18

    Light rain shower

    • 11
    • 18

    Light rain shower

Today 23 Aug Strathclyde

Another cloudy and mostly dry day but some bright spells are possible in the morning. Cloudy with some light rain in the west in the afternoon. Light southerly winds and feeling a bit warmer than previous days. Maximum Temperature 20C.

Tonight 23 Aug Strathclyde

Rather cloudy and mainly dry with some brighter spells at first this evening. However, some patchy light rain nudging into Argyll and Bute overnight. Winds mostly light. Minimum Temperature 12C.

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Johnstone Temperature Statistics

August Temperature

Glasgow/bishopton (7km)

  • Lowest 2 August, 2025

    7.8 °C

  • Average August

    15.9 °C

  • Highest 13 August, 2025

    29 °C

Climate (2020–Present)

Glasgow/bishopton (7km)

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  • Average Low 2020–2025

    6.4 °C

  • Average 2020–2025

    9.6 °C

  • Average High 2020–2025

    13.1 °C
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