Pen-twyn Rainfall ForecastUnited KingdomWLTorfaenPen-twynToday 21 Nov35%Fri 22 Nov100%Sat 23 Nov100%Sun 24 Nov85%Mon 25 Nov10%Tue 26 Nov10%Wed 27 Nov20%Pen-twyn rainfall forecast issued today at 6:38 pm. Next forecast at approx. 8:38 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