St Lythans Rainfall ForecastUnited KingdomWLVale of GlamorganSt LythansToday 11 Sep10%Sat 12 Sep90%Sun 13 Sep80%Mon 14 Sep35%Tue 15 Sep10%Wed 16 Sep35%Thu 17 Sep35%1-Day3-Day5-Day Graph Plots Open in Graphs Rainfall Probability Forecast Met Office Rain Today Real-Time St Lythans rainfall forecast issued today at 1:08 pm. Next forecast at approx. 3:08 am. Rainfall Rainfall AccumulationCobbacombe Cross (Devon) RadarGet WillyWeather+ to remove ads