Derrytrasna Rainfall ForecastUnited KingdomNICraigavonDerrytrasnaToday 3 Dec80%Wed 4 Dec75%Thu 5 Dec80%Fri 6 Dec50%Sat 7 Dec35%Sun 8 Dec10%Mon 9 Dec5%Derrytrasna rainfall forecast issued today at 12:38 pm. Next forecast at approx. 2:38 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 WillyWeather+ to remove ads