River Foyle - Londonderry Rainfall ForecastUnited KingdomNIDerryRiver Foyle - LondonderryToday 23 Aug50%Sun 24 Aug10%Mon 25 Aug55%Tue 26 Aug35%Wed 27 Aug40%Thu 28 Aug40%River Foyle - Londonderry 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 Castor Bay (Lurgan) RadarNational SatelliteNational SynopticGet WillyWeather+ to remove ads