Castlereagh Weather Forecast

    • 14
    • 19

    Cloudy

    • 15
    • 19

    Overcast

    • 15
    • 20

    Cloudy

    • 13
    • 18

    Cloudy

    • 13
    • 17

    Light rain shower

    • 11
    • 17

    Light rain shower

    • 11
    • 16

    Partly cloudy

Today 15 Aug Northern Ireland

A lot of dry and bright weather. A few light showers across the north and west. Maximum temperature 19 °C.

Graph Plots Open in Graphs

  • Temperature Forecast Met Office

  • Temperature Real-Time

Castlereagh Temperature Statistics

August Temperature

Aldergrove (23km)

  • Lowest 10 August, 2026

    9.3 °C

  • Average August

    16.6 °C

  • Highest 13 August, 2026

    26.1 °C

Climate (2021–2026)

Aldergrove (23km)

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

  • Average Low 2021–2026

    7.5 °C

  • Average 2021–2026

    10.5 °C

  • Average High 2021–2026

    13.5 °C
Get WillyWeather+ to remove ads