Derrytrasna Rainfall ForecastUnited KingdomNICraigavonDerrytrasnaToday 1 Dec80%Tue 2 Dec5%Wed 3 Dec55%Thu 4 Dec10%Fri 5 Dec50%Sat 6 Dec15%Derrytrasna rainfall forecast issued today at 12:36 am. Next forecast at approx. 2:36 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