Waterside Rainfall ForecastUnited KingdomNIDerryWatersideToday 17 Oct10%Sat 18 Oct90%Sun 19 Oct80%Mon 20 Oct55%Tue 21 Oct50%Wed 22 Oct60%Waterside rainfall forecast issued yesterday 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