Londonderry Rainfall ForecastUnited KingdomNIDerryLondonderryToday 23 Mar85%Tue 24 Mar80%Wed 25 Mar65%Thu 26 Mar70%Fri 27 Mar70%Sat 28 Mar35%Londonderry rainfall forecast issued today at 12:36 am. Next forecast at approx. 2:36 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