Waterside Rainfall ForecastUnited KingdomNIDerryWatersideToday 3 May55%Mon 4 May50%Tue 5 May15%Wed 6 May15%Thu 7 May30%Fri 8 May30%Sat 9 May15%Waterside rainfall forecast issued today at 1:37 pm. Next forecast at approx. 3:37 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