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.
Ballynamallaght Temperature Statistics
May Temperature
Castlederg (25km)
Lowest 6 May, 2026
-1.5 °CAverage May
11.4 °CHighest 25 May, 2026
25 °C
Climate (2021–Present)
Castlederg (25km)
Average Low 2021–2026
6.2 °CAverage 2021–2026
9.9 °CAverage High 2021–2026
13.6 °C