Slieve Gullion Rainfall ForecastUnited KingdomNINewry and MourneSlieve GullionToday 7 Oct70%Thu 8 Oct95%Fri 9 Oct50%Sat 10 Oct10%Sun 11 Oct30%Mon 12 Oct30%Tue 13 Oct20%1-Day3-Day5-Day Graph Plots Open in Graphs Rainfall Probability Forecast Met Office Rain Today Real-Time Slieve Gullion rainfall forecast issued today at 1:08 pm. Next forecast at approx. 3:08 am. Rainfall Rainfall AccumulationCastor Bay (Lurgan) RadarGet WillyWeather+ to remove ads