Cwmgwyn Rainfall ForecastUnited KingdomWLSwanseaCwmgwynToday 9 Jun85%Wed 10 Jun60%Thu 11 Jun95%Fri 12 Jun55%Sat 13 Jun10%Sun 14 JunNo RainCwmgwyn rainfall forecast issued today at 7:36 am. Next forecast at approx. 9:36 pm.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