St Fagans Rainfall ForecastUnited KingdomWLCardiffSt FagansToday 24 Jul5%Sat 25 Jul40%Sun 26 Jul30%Mon 27 Jul5%Tue 28 Jul10%Wed 29 Jul5%1-Day3-Day5-Day Graph Plots Open in Graphs Rainfall Probability Forecast Met Office Rain Today Real-Time St Fagans rainfall forecast issued today at 12:58 am. Next forecast at approx. . Rainfall Rainfall AccumulationCobbacombe Cross (Devon) RadarGet WillyWeather+ to remove ads