River Foyle Entrance Rainfall ForecastUnited KingdomNIDerryRiver Foyle EntranceToday 15 DecNo RainTue 16 Dec80%Wed 17 Dec60%Thu 18 Dec45%Fri 19 Dec55%Sat 20 Dec30%River Foyle Entrance rainfall forecast issued today at 6:36 am. Next forecast at approx. 8:36 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