Belfast Rainfall ForecastUnited KingdomNIBelfastBelfastToday 7 Aug10%Sat 8 Aug80%Sun 9 Aug55%Mon 10 Aug5%Tue 11 Aug5%Wed 12 Aug15%Thu 13 Aug10%1-Day3-Day5-Day Graph Plots Open in Graphs Rainfall Probability Forecast Met Office Rain Today Real-Time Belfast rainfall forecast issued today at 1:08 pm. Next forecast at approx. 3:08 am. Rainfall Rainfall AccumulationCastor Bay (Lurgan) RadarGet WillyWeather+ to remove ads