River Foyle Entrance Rainfall ForecastUnited KingdomNIDerryRiver Foyle EntranceToday 13 Jul30%Mon 14 Jul60%Tue 15 Jul60%Wed 16 Jul45%Thu 17 Jul50%Fri 18 Jul55%River Foyle Entrance 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