Cefn-coed-y-cymmer Rainfall ForecastUnited KingdomWLMerthyr TydfilCefn-coed-y-cymmerToday 31 Mar20%Wed 1 Apr45%Thu 2 Apr90%Fri 3 Apr90%Sat 4 Apr70%Sun 5 Apr30%Mon 6 Apr75%Cefn-coed-y-cymmer rainfall forecast issued today at 7:36 pm. Next forecast at approx. 9:36 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