Llanishen Rainfall ForecastUnited KingdomWLCardiffLlanishenToday 1 Dec100%Tue 2 Dec40%Wed 3 Dec80%Thu 4 Dec35%Fri 5 Dec80%Sat 6 Dec40%Sun 7 Dec50%Llanishen rainfall forecast issued today at 6:36 pm. Next forecast at approx. 8:36 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