Derriaghy Rainfall ForecastUnited KingdomNILisburnDerriaghyToday 18 Jan15%Mon 19 Jan55%Tue 20 Jan80%Wed 21 Jan85%Thu 22 Jan75%Fri 23 Jan55%Sat 24 Jan20%Derriaghy rainfall forecast issued today at 6:36 am. Next forecast at approx. 8:36 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