Llandecwyn Rainfall ForecastUnited KingdomWLGwyneddLlandecwynToday 15 JulNo RainThu 16 Jul5%Fri 17 Jul5%Sat 18 Jul15%Sun 19 Jul10%Mon 20 Jul5%Llandecwyn rainfall forecast issued today at 1:36 am. Next forecast at approx. 3:36 pm.1-Day3-Day5-Day Graph Plots Open in Graphs Rainfall Probability Forecast Met Office Rain Today Real-Time Rainfall Rainfall AccumulationCrug-y-Gorllwyn (Carmarthenshire) RadarGet WillyWeather+ to remove ads