Belfast Harbour Entrance Rainfall ForecastUnited KingdomNIBelfastBelfast Harbour EntranceToday 2 Jul45%Sun 3 Jul30%Mon 4 Jul10%Tue 5 Jul20%Wed 6 Jul15%Thu 7 Jul10%Belfast Harbour Entrance rainfall forecast issued today at 4:41 am. Next forecast at approx. 6:41 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