River Foyle Entrance Rainfall ForecastUnited KingdomNIDerryRiver Foyle EntranceToday 30 Dec5%Wed 31 Dec85%Thu 1 Jan40%Fri 2 Jan50%Sat 3 Jan40%Sun 4 Jan35%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