River Foyle - Lisnakelly Weather Forecast

    • 12
    • 21

    Cloudy

    • 7
    • 16

    Sunny day

    • 13
    • 22

    Sunny day

    • 13
    • 23

    Light rain shower

    • 11
    • 18

    Cloudy

    • 12
    • 18

    Light rain

Today 25 May Northern Ireland

Early fog patches clearing, then a dry day with plenty of sunshine, but some cloud bubbling up in the afternoon. Becoming very warm. Maximum temperature 24 °C.

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River Foyle - Lisnakelly Temperature Statistics

May Temperature

Castlederg (28km)

  • Lowest 6 May, 2026

    -1.5 °C

  • Average May

    10.4 °C

  • Highest 1 May, 2026

    18.2 °C

Climate (2021–Present)

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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