Pen-y-Pass Rainfall ForecastUnited KingdomWLGwyneddPen-y-PassToday 17 MayNo RainSun 18 MayNo RainMon 19 May35%Tue 20 May40%Wed 21 May5%Thu 22 May10%Fri 23 May15%Pen-y-Pass rainfall forecast issued today at 7:37 am. Next forecast at approx. 9:37 pm.1-Day3-Day5-Day Graph Plots Open in Graphs Rainfall Probability Forecast Met Office Rain Today Real-Time Clee Hill (Shropshire) RadarNational SatelliteNational SynopticGet WillyWeather+ to remove ads