River Foyle - Londonderry Rainfall ForecastUnited KingdomNIDerryRiver Foyle - LondonderryToday 1 Aug5%Sun 2 Aug55%Mon 3 Aug65%Tue 4 Aug65%Wed 5 Aug55%Thu 6 Aug35%Fri 7 Aug45%1-Day3-Day5-Day Graph Plots Open in Graphs Rainfall Probability Forecast Met Office Rain Today Real-Time River Foyle - Londonderry rainfall forecast issued today at 7:08 pm. Next forecast at approx. 9:08 am. Rainfall Rainfall AccumulationCastor Bay (Lurgan) RadarGet WillyWeather+ to remove ads