Penygroeslon Rainfall ForecastUnited KingdomWLGwyneddPenygroeslonToday 28 Mar95%Fri 29 Mar65%Sat 30 Mar60%Sun 31 Mar10%Mon 1 Apr15%Tue 2 Apr45%Wed 3 Apr45%Penygroeslon rainfall forecast issued today at 6:43 pm. Next forecast at approx. 8:43 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 an account to remove ads