Prehen Rainfall ForecastUnited KingdomNIDerryPrehenToday 13 Dec90%Sun 14 Dec85%Mon 15 Dec5%Tue 16 Dec90%Wed 17 Dec60%Thu 18 Dec35%Fri 19 Dec30%Prehen 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