Tre-groes Rainfall ForecastUnited KingdomWLCeredigionTre-groesToday 31 Mar85%Wed 1 Apr80%Thu 2 Apr90%Fri 3 Apr90%Sat 4 Apr85%Sun 5 Apr15%Mon 6 Apr60%Tre-groes rainfall forecast issued today at 7:39 am. Next forecast at approx. 9:39 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