Llandaff Rainfall ForecastUnited KingdomWLCardiffLlandaffToday 14 Jul30%Tue 15 Jul90%Wed 16 Jul20%Thu 17 Jul40%Fri 18 Jul40%Sat 19 Jul40%Sun 20 Jul55%Llandaff rainfall forecast issued today at 7:36 pm. Next forecast at approx. 9:36 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