Pen-y-banc Rainfall ForecastUnited KingdomWLCarmarthenshirePen-y-bancToday 12 Jul55%Sun 13 Jul10%Mon 14 Jul70%Tue 15 Jul40%Wed 16 Jul40%Thu 17 Jul20%Fri 18 Jul15%Pen-y-banc rainfall forecast issued today at 1:36 pm. Next forecast at approx. 3:36 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