Castlewellan Forest Park Weather Forecast

    • 4
    • 7

    Partly cloudy

    • 1
    • 5

    Cloudy

    • 5
    • 8

    Heavy rain

    • 4
    • 8

    Cloudy

    • 4
    • 9

    Cloudy

    • 4
    • 8

    Cloudy

Today 3 Dec Northern Ireland

Cloudy with outbreaks of rain at first, but increasing bright spells developing by day. A few showers still in northwest. Windy as a band of rain passes east through evening. Maximum Temperature 8C.

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Castlewellan Forest Park Temperature Statistics

December Temperature

Glenanne (36km)

  • Lowest 2 December, 2025

    2.6 °C

  • Average December

    5.3 °C

  • Highest 1 December, 2025

    9.3 °C

Climate (2020–Present)

Glenanne (36km)

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  • Average Low 2020–2025

    6.8 °C

  • Average 2020–2025

    9.6 °C

  • Average High 2020–2025

    12.7 °C
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