Derrytrasna Rainfall ForecastUnited KingdomNICraigavonDerrytrasnaToday 16 Dec95%Wed 17 Dec85%Thu 18 Dec85%Fri 19 Dec50%Sat 20 Dec45%Sun 21 Dec20%Mon 22 Dec15%Derrytrasna rainfall forecast issued today at 6:37 pm. Next forecast at approx. 8:37 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 WillyWeather+ to remove ads