Dundrum Harbour Entrance Rainfall ForecastUnited KingdomNIDownDundrum Harbour EntranceToday 13 Jul55%Mon 14 Jul40%Tue 15 Jul65%Wed 16 Jul35%Thu 17 Jul50%Fri 18 Jul15%Dundrum Harbour Entrance rainfall forecast issued today at 7:36 am. Next forecast at approx. 9:36 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