Johnstone Castle Weather Forecast

    • 7
    • 21

    Sunny day

    • 9
    • 18

    Cloudy

    • 8
    • 14

    Cloudy

    • 6
    • 13

    Overcast

    • 5
    • 12

    Cloudy

    • 4
    • 11

    Cloudy

    • 4
    • 10

    Cloudy

Today 30 Apr Strathclyde

Any overnight fog and low cloud burning off through the morning to leave a dry, very warm and sunny day. Maximum temperature 21 °C.

Graph Plots Open in Graphs

  • Temperature Forecast Met Office

  • Temperature Real-Time

Johnstone Castle Temperature Statistics

April Temperature

Glasgow/bishopton (9km)

  • Lowest 2 April, 2026

    -1.9 °C

  • Average April

    8.2 °C

  • Highest 24 April, 2026

    20.5 °C

Climate (2021–Present)

Glasgow/bishopton (9km)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2021–2026

    6.5 °C

  • Average 2021–2026

    9.8 °C

  • Average High 2021–2026

    13.2 °C
Get WillyWeather+ to remove ads