Belfast Rainfall ForecastUnited KingdomNIBelfastBelfastToday 19 Sep5%Fri 20 SepNo RainSat 21 Sep5%Sun 22 Sep50%Mon 23 Sep50%Belfast rainfall forecast issued today at 8:31 pm. Next forecast at approx. 10:31 am.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