River Foyle - River Faughan Entrance Rainfall ForecastUnited KingdomNIDerryRiver Foyle - River Faughan EntranceToday 4 Jul90%Sun 5 Jul55%Mon 6 Jul50%Tue 7 Jul50%Wed 8 Jul15%Thu 9 Jul45%River Foyle - River Faughan Entrance rainfall forecast issued today at 1:36 am. Next forecast at approx. 3:36 pm.1-Day3-Day5-Day Graph Plots Open in Graphs Rainfall Probability Forecast Met Office Rain Today Real-Time Rainfall Rainfall AccumulationCastor Bay (Lurgan) RadarGet WillyWeather+ to remove ads