Trelech a'r Betws Rainfall ForecastUnited KingdomWLCarmarthenshireTrelech a'r BetwsToday 30 Jan95%Fri 31 Jan20%Sat 1 Feb55%Sun 2 Feb50%Mon 3 Feb70%Tue 4 Feb75%Trelech a'r Betws rainfall forecast issued today at 12:38 am. Next forecast at approx. 2:38 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