Swansea Bay Rainfall ForecastUnited KingdomWLSwanseaSwansea BayToday 9 May15%Sun 10 May5%Mon 11 May5%Tue 12 May10%Wed 13 May45%Thu 14 May40%Fri 15 May35%Swansea Bay rainfall forecast issued today at 7:37 am. Next forecast at approx. 9:37 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