Red Arch Rainfall ForecastUnited KingdomNIMoyleRed ArchToday 2 Jan75%Sat 3 Jan60%Sun 4 Jan65%Mon 5 Jan55%Tue 6 Jan40%Wed 7 Jan20%Thu 8 Jan40%Red Arch rainfall forecast issued today at 6:37 pm. Next forecast at approx. 8:37 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