Cardiff Rainfall ForecastUnited KingdomWLCardiffCardiffToday 17 Feb50%Wed 18 Feb85%Thu 19 Feb10%Fri 20 Feb65%Sat 21 Feb60%Sun 22 Feb25%Mon 23 Feb15%Cardiff rainfall forecast issued today at 12:36 pm. Next forecast at approx. 2:36 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