Belfast Weather Forecast

    • 2
    • 10

    Light rain shower

    • 4
    • 6

    Heavy rain shower

    • 7
    • 7

    Light rain

    • 11
    • 13

    Overcast

    • 9
    • 12

    Overcast

    • 7
    • 11

    Overcast

    • 6
    • 9

    Cloudy

Today 21 Dec Northern Ireland

The day will be very windy with strong to gale force westerly winds becoming occasionally severe along the north coast. Sunny spells will be interspersed with scattered showers. Maximum Temperature 8C.

Tonight 21 Dec Northern Ireland

West to northwest gale force winds, severe along the north coast, will continue overnight. Frequent showers persist, merging into longer periods of rain at times and turning wintry. Minimum Temperature 1C.

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Belfast Temperature Statistics

December Temperature

Aldergrove (20km)

  • Lowest 10 December, 2024

    -1.5 °C

  • Average December

    6.1 °C

  • Highest 17 December, 2024

    13.9 °C

Climate (2019–Present)

Aldergrove (20km)

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  • Average Low 2019–2024

    7.2 °C

  • Average 2019–2024

    10.1 °C

  • Average High 2019–2024

    13.2 °C
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