Pentre-llyn-cymmer Rainfall ForecastUnited KingdomWLConwyPentre-llyn-cymmerToday 4 Dec100%Thu 5 Dec90%Fri 6 Dec90%Sat 7 Dec85%Sun 8 Dec15%Mon 9 Dec15%Tue 10 Dec15%Pentre-llyn-cymmer 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