Belfast Harbour Entrance Rainfall ForecastUnited KingdomNIBelfastBelfast Harbour EntranceToday 6 Nov5%Fri 7 Nov60%Sat 8 Nov80%Sun 9 Nov50%Mon 10 Nov55%Tue 11 Nov80%Wed 12 Nov55%Belfast Harbour Entrance rainfall forecast issued today at 6:36 pm. Next forecast at approx. 8:36 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