Penmon Rainfall ForecastUnited KingdomWLIsle of AngleseyPenmonToday 29 Mar100%Mon 30 Mar50%Tue 31 Mar10%Wed 1 Apr15%Thu 2 Apr55%Fri 3 Apr35%Sat 4 Apr50%Penmon rainfall forecast issued today at 1:39 pm. Next forecast at approx. 3:39 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