Derrylin Weather Forecast

    • 6
    • 12

    Heavy rain

    • 4
    • 11

    Light rain shower

    • 3
    • 11

    Cloudy

    • 5
    • 12

    Light rain

    • 5
    • 12

    Light rain shower

    • 10
    • 14

    Light rain

    • 9
    • 16

    Light rain shower

Today 13 May Northern Ireland

Rather cold with a mix of sunny spells and frequent blustery showers, which will be heavy at times with a risk of thunder. Occasionally strong northwesterly winds. Maximum temperature 13 °C.

Tonight 13 May Northern Ireland

Some late sunny spells, then clear spells overnight, with showers, the showers becoming less frequent and lighter. Northwesterly breeze continuing, locally strong in coastal parts. Minimum temperature 4 °C.

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Derrylin Temperature Statistics

May Temperature

Castlederg (56km)

  • Lowest 6 May, 2026

    -1.5 °C

  • Average May

    9.4 °C

  • Highest 1 May, 2026

    18.2 °C

Climate (2021–Present)

Castlederg (56km)

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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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