Cardiff Rainfall ForecastUnited KingdomWLVale of GlamorganCardiffToday 17 Dec100%Thu 18 Dec95%Fri 19 Dec40%Sat 20 Dec80%Sun 21 Dec55%Mon 22 Dec20%Tue 23 Dec10%Cardiff rainfall forecast issued today at 6:37 pm. Next forecast at approx. 8:37 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