Tregynwr Rainfall ForecastUnited KingdomWLCarmarthenshireTregynwrToday 17 Feb10%Wed 18 Feb60%Thu 19 Feb20%Fri 20 Feb85%Sat 21 Feb65%Sun 22 Feb80%Tregynwr 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