Cardiff Rainfall ForecastUnited KingdomWLCardiffCardiffToday 8 May70%Sun 9 May50%Mon 10 May70%Tue 11 May45%Wed 12 May55%Cardiff rainfall forecast issued today at 9:31 pm. Next forecast at approx. 11:31 am.1-Day3-Day5-Day Graph Plots Open in Graphs Rainfall Probability Forecast Met Office Rain Today Real-Time National RadarNational SatelliteNational SynopticGet an account to remove ads