Sarn Gynfelyn Rainfall ForecastUnited KingdomWLCeredigionSarn GynfelynToday 5 Jul90%Sun 6 Jul60%Mon 7 Jul10%Tue 8 Jul10%Wed 9 Jul15%Thu 10 Jul15%Fri 11 Jul15%Sarn Gynfelyn 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