Belfast Rainfall ForecastUnited KingdomNIBelfastBelfastToday 25 Mar10%Tue 26 Mar5%Wed 27 Mar10%Thu 28 Mar15%Fri 29 Mar40%Belfast rainfall forecast issued today at 8:31 pm. Next forecast at approx. 10:31 am.1-Day3-Day5-Day Graph Plots Open in GraphsRainfall Probability Forecast Met OfficeRain Today Real-Time National RadarNational SatelliteNational SynopticGet an account to remove ads