Pen-y-banc Rainfall ForecastUnited KingdomWLCarmarthenshirePen-y-bancToday 21 Nov55%Fri 22 Nov95%Sat 23 Nov100%Sun 24 Nov60%Mon 25 Nov35%Tue 26 Nov5%Pen-y-banc rainfall forecast issued today at 6:38 am. Next forecast at approx. 8:38 pm.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