Pen-y-sarn Rainfall ForecastUnited KingdomWLIsle of AngleseyPen-y-sarnToday 25 Oct80%Sun 26 Oct90%Mon 27 Oct35%Tue 28 Oct15%Wed 29 Oct35%Thu 30 Oct60%Pen-y-sarn rainfall forecast issued today at 7:35 am. Next forecast at approx. 9:35 pm.1-Day3-Day5-Day Graph Plots Open in Graphs Rainfall Probability Forecast Met Office Rain Today Real-Time Dublin RadarNational SatelliteNational SynopticGet WillyWeather+ to remove ads