River Foyle - River Faughan Entrance Rainfall ForecastUnited KingdomNIDerryRiver Foyle - River Faughan EntranceToday 19 Jul70%Sun 20 Jul40%Mon 21 Jul60%Tue 22 Jul55%Wed 23 Jul80%Thu 24 Jul45%River Foyle - River Faughan Entrance rainfall forecast issued yesterday at 7:37 pm. Next forecast at approx. 9:37 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