Penmon Rainfall ForecastUnited KingdomWLIsle of AngleseyPenmonToday 15 Sep90%Tue 16 Sep100%Wed 17 Sep75%Thu 18 Sep50%Fri 19 Sep50%Sat 20 Sep65%Sun 21 Sep35%Penmon rainfall forecast issued today at 1:37 pm. Next forecast at approx. 3:37 am.1-Day3-Day5-Day Graph Plots Open in Graphs Rainfall Probability Forecast Met Office Rain Today Real-Time Hameldon Hill (Lancashire) RadarNational SatelliteNational SynopticGet WillyWeather+ to remove ads