Strangford Lough - Castleward Bay Weather Forecast

    • 7
    • 9

    Cloudy

    • 5
    • 7

    Partly cloudy

    • 5
    • 7

    Cloudy

    • 6
    • 7

    Sunny day

    • 6
    • 9

    Cloudy

    • 4
    • 8

    Cloudy

Today 23 Dec Northern Ireland

For many it will be a largely dry and cloudy day but with a few spots of light rain or drizzle possible. Some brief, brighter spells possible at times later. Maximum Temperature 10C.

Tonight 23 Dec Northern Ireland

Cloudy and mostly dry through the evening. Remaining dry and cloudy overnight but a few clear spells developing towards morning. Minimum Temperature 3C.

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Strangford Lough - Castleward Bay Temperature Statistics

December Temperature

Aldergrove (53km)

  • Lowest 16 December, 2025

    0.3 °C

  • Average December

    7.5 °C

  • Highest 9 December, 2025

    14.6 °C

Climate (2020–Present)

Aldergrove (53km)

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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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