Prehen Rainfall ForecastUnited KingdomNIDerryPrehenToday 14 Sep95%Mon 15 Sep80%Tue 16 Sep90%Wed 17 Sep75%Thu 18 Sep35%Fri 19 Sep35%Prehen rainfall forecast issued today at 7:36 am. Next forecast at approx. 9:36 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