Glan-y-Wern Rainfall ForecastUnited KingdomWLGwyneddGlan-y-WernToday 28 Dec10%Mon 29 Dec5%Tue 30 Dec10%Wed 31 Dec20%Thu 1 Jan35%Fri 2 Jan50%Sat 3 Jan40%Glan-y-Wern rainfall forecast issued today at 6:36 pm. Next forecast at approx. 8:36 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