Pen-y-sarn Rainfall ForecastUnited KingdomWLIsle of AngleseyPen-y-sarnToday 13 Nov80%Sat 14 Nov65%Sun 15 Nov70%Mon 16 Nov85%Tue 17 Nov55%Wed 18 Nov10%Thu 19 Nov10%1-Day3-Day5-Day Graph Plots Open in Graphs Rainfall Probability Forecast Met Office Rain Today Real-Time Pen-y-sarn rainfall forecast issued today at 6:09 am. Next forecast at approx. 8:09 pm. Rainfall Rainfall AccumulationDublin RadarGet WillyWeather+ to remove ads