Pen y Gloyn Rainfall ForecastUnited KingdomWLCeredigionPen y GloynToday 14 Nov100%Sat 15 Nov10%Sun 16 Nov10%Mon 17 Nov15%Tue 18 Nov35%Wed 19 Nov35%Thu 20 Nov15%Pen y Gloyn rainfall forecast issued today at 12:38 pm. Next forecast at approx. 2:38 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