Hermon Rainfall ForecastUnited KingdomWLIsle of AngleseyHermonToday 29 Dec5%Tue 30 Dec10%Wed 31 Dec15%Thu 1 Jan35%Fri 2 Jan15%Sat 3 Jan35%Hermon 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 Dublin RadarNational SatelliteNational SynopticGet WillyWeather+ to remove ads