Derrytrasna Rainfall ForecastUnited KingdomNICraigavonDerrytrasnaToday 6 May15%Thu 7 May55%Fri 8 May55%Sat 9 May10%Sun 10 May10%Mon 11 May10%Tue 12 May15%Derrytrasna rainfall forecast issued today at 7:36 pm. Next forecast at approx. 9:36 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