Llethryd Rainfall ForecastUnited KingdomWLSwanseaLlethrydToday 12 Jan95%Tue 13 Jan55%Wed 14 Jan80%Thu 15 Jan80%Fri 16 Jan45%Sat 17 Jan15%Sun 18 Jan75%Llethryd rainfall forecast issued today at 6:37 am. Next forecast at approx. 8:37 pm.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