Pen-y-sarn Rainfall ForecastUnited KingdomWLIsle of AngleseyPen-y-sarnToday 1 Jun50%Mon 2 Jun95%Tue 3 Jun40%Wed 4 Jun30%Thu 5 Jun45%Fri 6 Jun35%Pen-y-sarn rainfall forecast issued today at 1:37 am. Next forecast at approx. 3:37 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