Castledawson Weather Forecast

    • 10
    • 17

    Cloudy

    • 7
    • 18

    Cloudy

    • 14
    • 20

    Partly cloudy

    • 15
    • 18

    Cloudy

    • 16
    • 20

    Partly cloudy

    • 15
    • 20

    Light rain shower

    • 14
    • 19

    Cloudy

Today 22 Aug Northern Ireland

A mainly dry and bright day with the best of the sunny spells in the east. Cloudier across the north and west with a few light showers. Maximum temperature 18 °C.

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Castledawson Temperature Statistics

August Temperature

Lough Fea Samos (17km)

  • Lowest 21 August, 2026

    7.4 °C

  • Average August

    15.7 °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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