Cwm Penmachno Rainfall ForecastUnited KingdomWLConwyCwm PenmachnoToday 19 Dec40%Sat 20 Dec20%Sun 21 Dec45%Mon 22 Dec40%Tue 23 Dec15%Wed 24 Dec15%Cwm Penmachno rainfall forecast issued today at 6:36 am. Next forecast at approx. 8:36 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