Carmarthen Bay Rainfall ForecastUnited KingdomWLCarmarthenshireCarmarthen BayToday 13 Sep75%Sun 14 Sep95%Mon 15 Sep40%Tue 16 Sep85%Wed 17 Sep85%Thu 18 Sep15%Carmarthen Bay 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 Crug-y-Gorllwyn (Carmarthenshire) RadarNational SatelliteNational SynopticGet WillyWeather+ to remove ads