Garnswllt Rainfall ForecastUnited KingdomWLSwanseaGarnswlltToday 11 Mar15%Thu 12 Mar95%Fri 13 Mar60%Sat 14 Mar50%Sun 15 Mar75%Mon 16 Mar45%Garnswllt rainfall forecast issued yesterday at 6:36 pm. Next forecast at approx. 8:36 am.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