Cefn-coed-y-cymmer Rainfall ForecastUnited KingdomWLMerthyr TydfilCefn-coed-y-cymmerToday 15 Dec100%Tue 16 Dec45%Wed 17 Dec90%Thu 18 Dec90%Fri 19 Dec80%Sat 20 Dec80%Cefn-coed-y-cymmer rainfall forecast issued today at 6:36 am. Next forecast at approx. 8:36 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