Belfast Rainfall ForecastUnited KingdomNIBelfastBelfastToday 22 Jul10%Thu 23 Jul15%Fri 24 Jul10%Sat 25 Jul40%Sun 26 Jul30%Mon 27 Jul35%1-Day3-Day5-Day Graph Plots Open in Graphs Rainfall Probability Forecast Met Office Rain Today Real-Time Belfast rainfall forecast issued today at 2:27 am. Next forecast at approx. . Rainfall Rainfall AccumulationCastor Bay (Lurgan) RadarGet WillyWeather+ to remove ads