Belfast Harbour Entrance Rainfall ForecastUnited KingdomNIBelfastBelfast Harbour EntranceToday 9 Nov85%Mon 10 Nov40%Tue 11 Nov90%Wed 12 Nov45%Thu 13 Nov55%Fri 14 Nov80%Sat 15 Nov15%Belfast Harbour Entrance rainfall forecast issued today at 6:35 am. Next forecast at approx. 8:35 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