Castledawson Weather Forecast

    • 13
    • 16

    Overcast

    • 15
    • 19

    Heavy rain

    • 12
    • 18

    Cloudy

    • 12
    • 17

    Thunder

    • 12
    • 16

    Light rain shower

    • 11
    • 16

    Cloudy

    • 12
    • 17

    Partly cloudy

Today 16 Aug Northern Ireland

A cloudy day with occasional rain. Best of any dry and bright spells most likely towards the evening. Maximum temperature 19 °C.

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Castledawson Temperature Statistics

August Temperature

Lough Fea Samos (17km)

  • Lowest 10 August, 2026

    9.3 °C

  • Average August

    16.4 °C

  • Highest 13 August, 2026

    26.1 °C

Climate (2021–2026)

Lough Fea Samos (17km)

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  • Average Low 2021–2026

    6.6 °C

  • Average 2021–2026

    9.4 °C

  • Average High 2021–2026

    12.3 °C
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