Pen-twyn Rainfall ForecastUnited KingdomWLMonmouthshirePen-twynToday 4 Jun85%Fri 5 Jun90%Sat 6 Jun95%Sun 7 Jun45%Mon 8 Jun55%Tue 9 Jun35%Wed 10 Jun35%Pen-twyn rainfall forecast issued today at 1:36 pm. Next forecast at approx. 3:36 am.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