Mountain Ash Rainfall ForecastUnited KingdomWLRhondda Cynon TaffMountain AshToday 7 Mar80%Sun 8 Mar25%Mon 9 Mar35%Tue 10 Mar85%Wed 11 Mar80%Thu 12 Mar60%Mountain Ash rainfall forecast issued today at 12:35 am. Next forecast at approx. 2:35 pm.1-Day3-Day5-Day Graph Plots Open in Graphs Rainfall Probability Forecast Met Office Rain Today Real-Time Cobbacombe Cross (Devon) RadarNational SatelliteNational SynopticGet WillyWeather+ to remove ads