Tonmawr Rainfall ForecastUnited KingdomWLNeath Port TalbotTonmawrToday 27 Mar95%Sat 28 Mar10%Sun 29 Mar95%Mon 30 Mar30%Tue 31 Mar45%Wed 1 Apr50%Thu 2 Apr45%Tonmawr rainfall forecast issued today at 6:36 am. Next forecast at approx. 8:36 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