River Foyle - Londonderry Rainfall ForecastUnited KingdomNIDerryRiver Foyle - LondonderryToday 16 Jun55%Wed 17 Jun60%Thu 18 Jun75%Fri 19 Jun75%Sat 20 Jun35%Sun 21 Jun30%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) Radar Rainfall Rainfall AccumulationGet WillyWeather+ to remove ads