Llanishen Rainfall ForecastUnited KingdomWLCardiffLlanishenToday 14 Dec95%Mon 15 Dec90%Tue 16 Dec15%Wed 17 Dec85%Thu 18 Dec85%Fri 19 Dec20%Sat 20 Dec45%Llanishen rainfall forecast issued today at 12:37 pm. Next forecast at approx. 2:37 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