Dowlais Rainfall ForecastUnited KingdomWLMerthyr TydfilDowlaisToday 2 Jul15%Thu 3 Jul5%Fri 4 Jul50%Sat 5 Jul55%Sun 6 Jul35%Mon 7 Jul30%Dowlais rainfall forecast issued today at 1:37 am. Next forecast at approx. 3:37 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