Cardiff Rainfall ForecastUnited KingdomWLVale of GlamorganCardiffToday 1 Jan35%Fri 2 Jan5%Sat 3 JanNo RainSun 4 JanNo RainMon 5 Jan10%Tue 6 Jan10%Cardiff rainfall forecast issued today at 12:36 am. Next forecast at approx. 2:36 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