Slieve Gullion Rainfall ForecastUnited KingdomNINewry and MourneSlieve GullionToday 16 Feb60%Tue 17 Feb55%Wed 18 Feb70%Thu 19 Feb20%Fri 20 Feb60%Sat 21 Feb20%Sun 22 Feb35%Slieve Gullion rainfall forecast issued today at 12:37 pm. Next forecast at approx. 2:37 am.1-Day3-Day5-Day Graph Plots Open in Graphs Rainfall Probability Forecast Met Office Rain Today Real-Time Castor Bay (Lurgan) RadarNational SatelliteNational SynopticGet WillyWeather+ to remove ads