Cwmerfyn Rainfall ForecastUnited KingdomWLCeredigionCwmerfynToday 29 Mar70%Sat 30 Mar15%Sun 31 Mar10%Mon 1 Apr10%Tue 2 Apr45%Wed 3 Apr50%Cwmerfyn rainfall forecast issued today at 6:42 am. Next forecast at approx. 8:42 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 an account to remove ads