Castlereagh Weather Forecast

    • 5
    • 7

    Cloudy

    • 5
    • 7

    Light rain

    • 4
    • 8

    Sunny day

    • 2
    • 8

    Sunny day

    • 9
    • 10

    Overcast

    • 5
    • 12

    Overcast

Today 22 Nov Northern Ireland

The day will stay mostly dry with sunny spells with only the odd shower, mainly in the west and around the North coast. Maximum Temperature 9C.

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Castlereagh Temperature Statistics

November Temperature

Aldergrove (23km)

  • Lowest 21 November, 2025

    -2.2 °C

  • Average November

    8.1 °C

  • Highest 6 November, 2025

    15.7 °C

Climate (2020–Present)

Aldergrove (23km)

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  • Average Low 2020–2025

    7.4 °C

  • Average 2020–2025

    10.3 °C

  • Average High 2020–2025

    13.3 °C
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