Belfast Harbour Entrance Rainfall ForecastUnited KingdomNIBelfastBelfast Harbour EntranceToday 23 Apr5%Sat 24 Apr5%Sun 25 Apr5%Mon 26 Apr20%Belfast Harbour Entrance rainfall forecast issued yesterday at 11:31 pm. Next forecast at approx. 1:31 pm.1-Day3-Day5-Day Graph Plots Open in Graphs Rainfall Probability Forecast Met Office Rain Today Real-Time National RadarNational SatelliteNational SynopticGet an account to remove ads