Llanrumney Rainfall ForecastUnited KingdomWLCardiffLlanrumneyToday 16 Oct10%Fri 17 Oct10%Sat 18 Oct85%Sun 19 Oct90%Mon 20 Oct70%Tue 21 Oct40%Wed 22 Oct45%Llanrumney rainfall forecast issued today at 7:36 am. Next forecast at approx. 9:36 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