Ballynamallaght Weather Forecast

    • -2
    • 1

    Partly cloudy

    • -3
    • 1

    Cloudy

    • 3
    • 5

    Sleet

    • 2
    • 4

    Cloudy

    • 0
    • 4

    Cloudy

    • 0
    • 3

    Cloudy

Today 9 Jan Northern Ireland

Staying cold with some bright spells and a few showers from Thursday through to Saturday, showers perhaps more persistent and wintry for a time late Thursday into early Friday.

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Ballynamallaght Temperature Statistics

January Temperature

Castlederg (25km)

  • Lowest 5 January, 2026

    -3.7 °C

  • Average January

    1.6 °C

  • Highest 1 January, 2026

    6.5 °C

Climate (2021–Present)

Castlederg (25km)

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  • Average Low 2021–2026

    6.1 °C

  • Average 2021–2026

    9.8 °C

  • Average High 2021–2026

    13.5 °C
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