Ballynamallaght Weather Forecast

    • 8
    • 13

    Heavy rain

    • 9
    • 11

    Light rain

    • 7
    • 13

    Heavy rain

    • 6
    • 11

    Heavy rain shower

    • 6
    • 12

    Light rain shower

    • 4
    • 9

    Light rain shower

    • 4
    • 10

    Light rain shower

Today 30 May Northern Ireland

Some early brightness in southeast, but generally a cloudy morning with outbreaks of occasionally heavy rain. During the afternoon the rain turns more showery and perhaps thundery. Maximum temperature 20 °C.

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Ballynamallaght Temperature Statistics

May Temperature

Castlederg (25km)

  • Lowest 6 May, 2026

    -1.5 °C
  • Average May

    11.4 °C
  • Highest 25 May, 2026

    25 °C

Climate (2021–Present)

Castlederg (25km)

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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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