Penwyllt Rainfall ForecastUnited KingdomWLPowysPenwylltToday 4 Oct80%Sun 5 Oct50%Mon 6 Oct50%Tue 7 Oct55%Wed 8 Oct55%Thu 9 Oct10%Penwyllt rainfall forecast issued yesterday at 7:38 pm. Next forecast at approx. 9:38 am.1-Day3-Day5-Day Graph Plots Open in Graphs Rainfall Probability Forecast Met Office Rain Today Real-Time Crug-y-Gorllwyn (Carmarthenshire) RadarNational SatelliteNational SynopticGet WillyWeather+ to remove ads