Swansea Bay Rainfall ForecastUnited KingdomWLSwanseaSwansea BayToday 17 Sep100%Thu 18 Sep55%Fri 19 Sep50%Sat 20 Sep65%Sun 21 Sep20%Mon 22 Sep5%Tue 23 Sep10%Swansea Bay rainfall forecast issued today at 7:38 am. Next forecast at approx. 9:38 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