Pen-y-banc Rainfall ForecastUnited KingdomWLCarmarthenshirePen-y-bancToday 22 MayNo RainFri 23 May85%Sat 24 May65%Sun 25 May20%Mon 26 May35%Tue 27 May55%Pen-y-banc rainfall forecast issued today at 1:37 am. Next forecast at approx. 3:37 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