River Foyle - River Faughan Entrance Rainfall ForecastUnited KingdomNIDerryRiver Foyle - River Faughan EntranceToday 18 May90%Tue 19 May90%Wed 20 May50%Thu 21 May55%Fri 22 May60%Sat 23 May15%Sun 24 May15%River Foyle - River Faughan Entrance rainfall forecast issued today at 1:36 pm. Next forecast at approx. 3:36 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