Hermon Rainfall ForecastUnited KingdomWLCarmarthenshireHermonToday 3 Apr60%Sat 4 Apr90%Sun 5 Apr40%Mon 6 Apr5%Tue 7 Apr40%Wed 8 Apr20%Thu 9 Apr15%Hermon rainfall forecast issued today at 1:36 pm. Next forecast at approx. 3:36 am.1-Day3-Day5-Day Graph Plots Open in Graphs Rainfall Probability Forecast Met Office Rain Today Real-Time Crug-y-Gorllwyn (Carmarthenshire) RadarNational SatelliteNational SynopticGet WillyWeather+ to remove ads