Llandecwyn Rainfall ForecastUnited KingdomWLGwyneddLlandecwynToday 30 May85%Sun 31 May50%Mon 1 Jun90%Tue 2 Jun45%Wed 3 Jun55%Thu 4 Jun40%Fri 5 Jun40%Llandecwyn 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