Derrykeighan Rainfall ForecastUnited KingdomNIBallymoneyDerrykeighanToday 15 May10%Thu 16 May35%Fri 17 May15%Sat 18 May15%Sun 19 May15%Mon 20 May10%Tue 21 May50%Derrykeighan rainfall forecast issued today at 7:38 pm. Next forecast at approx. 9:38 am.1-Day3-Day5-Day Graph Plots Open in Graphs Rainfall Probability Forecast Met Office Rain Today Real-Time Castor Bay (Lurgan) RadarNational SatelliteNational SynopticGet an account to remove ads