Pen-y-garn Rainfall ForecastUnited KingdomWLCeredigionPen-y-garnToday 28 Jun15%Sun 29 Jun10%Mon 30 Jun45%Tue 1 Jul15%Wed 2 Jul10%Thu 3 Jul10%Pen-y-garn rainfall forecast issued today at 7:36 am. Next forecast at approx. 9:36 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