Belfast Rainfall ForecastUnited KingdomNIBelfastBelfastToday 30 Jun85%Tue 1 Jul5%Wed 2 Jul30%Thu 3 Jul35%Fri 4 Jul45%Sat 5 Jul35%Belfast rainfall forecast issued today at 1:36 am. Next forecast at approx. 3:36 pm.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