Pren-gwyn Rainfall ForecastUnited KingdomWLCeredigionPren-gwynToday 15 May10%Sat 16 May90%Sun 17 May50%Mon 18 May95%Tue 19 May80%Wed 20 May50%Thu 21 May15%Pren-gwyn rainfall forecast issued today at 7:39 am. Next forecast at approx. 9:39 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