Mynachdy Rainfall ForecastUnited KingdomWLCardiffMynachdyToday 20 Dec65%Sun 21 Dec85%Mon 22 Dec15%Tue 23 Dec15%Wed 24 Dec10%Thu 25 Dec10%Mynachdy rainfall forecast issued today at 6:35 am. Next forecast at approx. 8:35 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