River Foyle - Londonderry Rainfall ForecastUnited KingdomNIDerryRiver Foyle - LondonderryToday 1 May45%Sat 2 May70%Sun 3 May20%Mon 4 May30%Tue 5 May15%Wed 6 May35%Thu 7 May15%River Foyle - Londonderry rainfall forecast issued today at 7:36 pm. Next forecast at approx. 9:36 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