Sarn Gynfelyn Rainfall ForecastUnited KingdomWLCeredigionSarn GynfelynToday 26 Oct35%Tue 27 Oct55%Wed 28 Oct60%Thu 29 Oct95%Fri 30 Oct85%Sarn Gynfelyn rainfall forecast issued today at 9:31 am. Next forecast at approx. 11:31 pm.1-Day3-Day5-Day Graph Plots Open in Graphs Rainfall Probability Forecast Met Office Rain Today Real-Time National RadarNational SatelliteNational SynopticGet an account to remove ads