Castlerock Weather Forecast

    • 9
    • 12

    Overcast

    • 8
    • 13

    Heavy rain

    • 7
    • 12

    Light rain

    • 1
    • 8

    Light rain shower

    • 4
    • 8

    Light rain

    • 5
    • 10

    Cloudy

    • 4
    • 10

    Light rain shower

Graph Plots Open in Graphs

  • Temperature Forecast Met Office

  • Temperature Real-Time

Castlerock Temperature Statistics

February Temperature

Magilligan No 2 (10km)

  • Lowest 2 February, 2026

    -1.7 °C

  • Average February

    5.7 °C

  • Highest 21 February, 2026

    11.7 °C

Climate (2021–Present)

Magilligan No 2 (10km)

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

  • Average Low 2021–2026

    7.6 °C

  • Average 2021–2026

    10.5 °C

  • Average High 2021–2026

    13.3 °C
Get WillyWeather+ to remove ads