Castledawson Weather Forecast

    • 15
    • 24

    Thunder

    • 12
    • 19

    Cloudy

    • 12
    • 17

    Cloudy

    • 15
    • 18

    Cloudy

    • 15
    • 20

    Light rain

    • 14
    • 19

    Cloudy

    • 13
    • 18

    Cloudy

Today 13 Aug Northern Ireland

Another hot day with variable cloud and some sunshine. Mostly dry but with a few sharp showers possible at times, particularly in the afternoon and evening. Maximum temperature 26 °C.

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Castledawson Temperature Statistics

August Temperature

Lough Fea Samos (17km)

  • Lowest 10 August, 2026

    9.3 °C

  • Average August

    15.9 °C

  • Highest 11 August, 2026

    22.9 °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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