Derrytrasna Rainfall ForecastUnited KingdomNICraigavonDerrytrasnaToday 4 Dec90%Thu 5 Dec75%Fri 6 Dec15%Sat 7 Dec15%Sun 8 Dec5%Mon 9 Dec5%Derrytrasna rainfall forecast issued today at 12:38 am. Next forecast at approx. 2:38 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