Johnstone Weather Forecast

    • 6
    • 13

    Cloudy

    • 4
    • 11

    Cloudy

    • 6
    • 10

    Cloudy

    • 6
    • 11

    Cloudy

    • 5
    • 12

    Cloudy

    • 6
    • 13

    Light rain

Today 4 May Strathclyde

Dry through the morning with good sunny spells. Turning cloudy with some showers spreading east through the late afternoon and evening. Maximum temperature 14 °C.

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Johnstone Temperature Statistics

May Temperature

Glasgow/bishopton (7km)

  • Lowest 1 May, 2026

    4.7 °C

  • Average May

    10.4 °C

  • Highest 1 May, 2026

    16.5 °C

Climate (2021–Present)

Glasgow/bishopton (7km)

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  • Average Low 2021–2026

    6.5 °C

  • Average 2021–2026

    9.8 °C

  • Average High 2021–2026

    13.2 °C
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