Castledawson Weather Forecast

    • 8
    • 10

    Light rain

    • 2
    • 10

    Heavy rain

    • 3
    • 8

    Light rain shower

    • 5
    • 8

    Cloudy

    • 4
    • 8

    Light rain shower

    • 7
    • 9

    Cloudy

    • 6
    • 10

    Overcast

Today 11 Mar Northern Ireland

Some bright or sunny intervals and scattered showers this morning. Becoming cloudy with fewer showers during this afternoon. Fresh occasionally strong west or southwesterly winds. Maximum temperature 10 °C.

Tonight 11 Mar Northern Ireland

Cloudy with occasional rain, this becoming heavy and persistent in the north and west later. Windy night with fresh to strong southwesterly winds, gales over coasts and hills later. Minimum temperature 7 °C.

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Castledawson Temperature Statistics

March Temperature

Lough Fea Samos (17km)

  • Lowest 6 March, 2026

    -0.8 °C

  • Average March

    7.2 °C

  • Highest 4 March, 2026

    13.3 °C

Climate (2021–Present)

Lough Fea Samos (17km)

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  • Average Low 2021–2026

    6.4 °C

  • Average 2021–2026

    9.2 °C

  • Average High 2021–2026

    12.1 °C
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