Llanblethian Rainfall ForecastUnited KingdomWLVale of GlamorganLlanblethianToday 17 Sep90%Thu 18 Sep40%Fri 19 Sep50%Sat 20 Sep35%Sun 21 Sep45%Mon 22 Sep10%Llanblethian rainfall forecast issued today at 1:36 am. Next forecast at approx. 3:36 pm.1-Day3-Day5-Day Graph Plots Open in Graphs Rainfall Probability Forecast Met Office Rain Today Real-Time Cobbacombe Cross (Devon) RadarNational SatelliteNational SynopticGet WillyWeather+ to remove ads