Pen-y-garn Rainfall ForecastUnited KingdomWLCarmarthenshirePen-y-garnToday 18 Apr10%Fri 19 Apr25%Sat 20 Apr5%Sun 21 Apr5%Mon 22 Apr15%Tue 23 Apr10%Wed 24 Apr5%Pen-y-garn rainfall forecast issued today at 1:43 pm. Next forecast at approx. 3:43 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 an account to remove ads