Castlewellan Forest Park Weather Forecast

    • 11
    • 18

    Light rain

    • 12
    • 17

    Cloudy

    • 12
    • 19

    Light rain

    • 13
    • 17

    Cloudy

    • 12
    • 19

    Light rain

    • 10
    • 16

    Partly cloudy

    • 11
    • 15

    Overcast

Today 10 Sep Northern Ireland

A cloudy morning with rain spreading east. Becoming drier and brighter from the west in the afternoon with a few showers. Maximum temperature 18 °C.

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Castlewellan Forest Park Temperature Statistics

September Temperature

Glenanne (36km)

  • Lowest 9 September, 2026

    7.6 °C

  • Average September

    13.9 °C

  • Highest 2 September, 2026

    20.4 °C

Climate (2021–2026)

Glenanne (36km)

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  • Average Low 2021–2026

    6.9 °C

  • Average 2021–2026

    9.8 °C

  • Average High 2021–2026

    12.8 °C
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