Castlereagh Weather Forecast

    • 2
    • 5

    Light rain shower

    • -2
    • 6

    Partly cloudy

    • 3
    • 5

    Cloudy

    • 4
    • 8

    Cloudy

    • 3
    • 7

    Cloudy

    • 3
    • 8

    Cloudy

Today 19 Nov Northern Ireland

Some bright or sunny spells and scattered sleet and snow showers, these most frequent and heaviest across the north. Cold. Maximum Temperature 5C.

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Castlereagh Temperature Statistics

November Temperature

Aldergrove (23km)

  • Lowest 17 November, 2025

    2.5 °C

  • Average November

    9.5 °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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