Castlewellan Weather Forecast

    • 7
    • 14

    Light rain shower

    • 6
    • 14

    Thunder

    • 8
    • 14

    Light rain shower

    • 10
    • 16

    Heavy rain

    • 11
    • 18

    Cloudy

    • 10
    • 19

    Cloudy

    • 11
    • 20

    Partly cloudy

Today 8 Jun Northern Ireland

Dry and bright in the east in the morning, a few showers in west. Bright or sunny spells and scattered showers everywhere in the afternoon, heavy and thundery at times. Maximum temperature 16 °C.

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Castlewellan Temperature Statistics

June Temperature

Glenanne (36km)

  • Lowest 5 June, 2026

    6.8 °C

  • Average June

    12.3 °C

  • Highest 1 June, 2026

    19.2 °C

Climate (2021–Present)

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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