Dundrum Rainfall ForecastUnited KingdomNIDownDundrumToday 16 May95%Sun 17 May70%Mon 18 May90%Tue 19 May80%Wed 20 May35%Thu 21 May15%Dundrum rainfall forecast issued today at 7:37 am. Next forecast at approx. 9:37 pm.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