Mynydd-bach Rainfall ForecastUnited KingdomWLSwanseaMynydd-bachToday 2 May85%Sun 3 May85%Mon 4 May25%Tue 5 May35%Wed 6 May5%Thu 7 May10%Fri 8 May10%Mynydd-bach rainfall forecast issued today at 7:36 am. Next forecast at approx. 9:36 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