Sarn Gynfelyn Rainfall ForecastUnited KingdomWLCeredigionSarn GynfelynToday 5 Nov45%Thu 6 Nov55%Fri 7 Nov50%Sat 8 Nov10%Sun 9 Nov50%Mon 10 Nov15%Sarn Gynfelyn 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