Llantrisant Rainfall ForecastUnited KingdomWLMonmouthshireLlantrisantToday 28 Aug55%Sat 29 Aug100%Sun 30 Aug75%Mon 31 Aug5%Tue 1 Sep45%Wed 2 Sep40%Thu 3 Sep45%1-Day3-Day5-Day Graph Plots Open in Graphs Rainfall Probability Forecast Met Office Rain Today Real-Time Llantrisant rainfall forecast issued today at 7:08 pm. Next forecast at approx. 9:08 am. Rainfall Rainfall AccumulationClee Hill (Shropshire) RadarGet WillyWeather+ to remove ads