Grangetown Rainfall ForecastUnited KingdomWLCardiffGrangetownToday 21 Oct95%Thu 22 Oct95%Fri 23 Oct65%Sat 24 Oct100%Sun 25 Oct90%Mon 26 Oct90%Tue 27 Oct40%1-Day3-Day5-Day Graph Plots Open in Graphs Rainfall Probability Forecast Met Office Rain Today Real-Time Grangetown rainfall forecast issued today at 7:10 pm. Next forecast at approx. 9:10 am. Rainfall Rainfall AccumulationCobbacombe Cross (Devon) RadarGet WillyWeather+ to remove ads