Cardiff Rainfall ForecastUnited KingdomWLVale of GlamorganCardiffToday 28 Sep45%Tue 29 Sep90%Wed 30 Sep85%Thu 1 Oct10%Fri 2 Oct15%Sat 3 Oct15%1-Day3-Day5-Day Graph Plots Open in Graphs Rainfall Probability Forecast Met Office Rain Today Real-Time Cardiff rainfall forecast issued today at 1:08 am. Next forecast at approx. 3:08 pm. Rainfall Rainfall AccumulationCobbacombe Cross (Devon) RadarGet WillyWeather+ to remove ads