Mountain Ash Rainfall ForecastUnited KingdomWLRhondda Cynon TaffMountain AshToday 23 Jul5%Fri 24 Jul5%Sat 25 Jul10%Sun 26 Jul5%Mon 27 JulNo RainTue 28 Jul5%Wed 29 Jul5%1-Day3-Day5-Day Graph Plots Open in Graphs Rainfall Probability Forecast Met Office Rain Today Real-Time Mountain Ash rainfall forecast issued today at 1:27 pm. Next forecast at approx. . Rainfall Rainfall AccumulationCobbacombe Cross (Devon) RadarGet WillyWeather+ to remove ads