Guns Island Rainfall ForecastUnited KingdomNIDownGuns IslandToday 18 Mar5%Wed 19 Mar5%Thu 20 Mar5%Fri 21 Mar45%Sat 22 Mar40%Sun 23 Mar15%Guns Island rainfall forecast issued today at 12:38 am. Next forecast at approx. 2:38 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