Llandecwyn Rainfall ForecastUnited KingdomWLGwyneddLlandecwynToday 14 Oct5%Wed 15 Oct5%Thu 16 Oct15%Fri 17 Oct5%Sat 18 Oct20%Sun 19 Oct80%Mon 20 Oct70%Llandecwyn rainfall forecast issued today at 7:36 pm. Next forecast at approx. 9:36 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