Glenarm Rainfall ForecastUnited KingdomNILarneGlenarmToday 25 Mar95%Thu 26 Mar65%Fri 27 Mar50%Sat 28 Mar45%Sun 29 Mar75%Mon 30 Mar20%Glenarm 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