River Foyle - Lisnakelly Weather Forecast

    • 13
    • 19

    Cloudy

    • 14
    • 18

    Light rain

    • 11
    • 17

    Light rain

    • 12
    • 18

    Cloudy

    • 17
    • 23

    Cloudy

    • 15
    • 23

    Light rain shower

    • 13
    • 19

    Partly cloudy

Today 7 Aug Northern Ireland

This morning will be dry across all parts will sunny spells. It will remain dry this afternoon with some bright or sunny spells. Warm, locally very warm across Down. Maximum temperature 20 °C.

Tonight 7 Aug Northern Ireland

This evening will be dry with some late sunshine. Then becoming cloudy overnight with some light and patchy rain extending northeast for a time. Freshening southwesterly in the northwest. Minimum temperature 13 °C.

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River Foyle - Lisnakelly Temperature Statistics

August Temperature

Castlederg (28km)

  • Lowest 2 August, 2026

    6.1 °C

  • Average August

    14 °C

  • Highest 3 August, 2026

    22.4 °C

Climate (2021–2026)

Castlederg (28km)

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  • Average Low 2021–2026

    6.2 °C

  • Average 2021–2026

    9.9 °C

  • Average High 2021–2026

    13.6 °C
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