Merthyr Mawr Rainfall ForecastUnited KingdomWLBridgendMerthyr MawrToday 28 Oct85%Thu 29 Oct10%Fri 30 OctNo RainSat 31 Oct10%Sun 1 Nov10%Mon 2 NovNo RainTue 3 NovNo Rain1-Day3-Day5-Day Graph Plots Open in Graphs Rainfall Probability Forecast Met Office Rain Today Real-Time Merthyr Mawr rainfall forecast issued today at 12:11 pm. Next forecast at approx. 2:11 am. Rainfall Rainfall AccumulationCobbacombe Cross (Devon) RadarGet WillyWeather+ to remove ads