Mynachdy Rainfall ForecastUnited KingdomWLCardiffMynachdyToday 31 Aug10%Tue 1 Sep55%Wed 2 Sep90%Thu 3 Sep60%Fri 4 Sep60%Sat 5 Sep40%Sun 6 Sep45%1-Day3-Day5-Day Graph Plots Open in Graphs Rainfall Probability Forecast Met Office Rain Today Real-Time Mynachdy rainfall forecast issued today at 7:08 pm. Next forecast at approx. 9:08 am. Rainfall Rainfall AccumulationCobbacombe Cross (Devon) RadarGet WillyWeather+ to remove ads