Cardiff Rainfall ForecastUnited KingdomWLVale of GlamorganCardiffToday 19 Sep35%Sat 20 Sep85%Sun 21 Sep15%Mon 22 Sep5%Tue 23 Sep5%Wed 24 Sep5%Cardiff rainfall forecast issued yesterday at 7:38 pm. Next forecast at approx. 9:38 am.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