Llanblethian Rainfall ForecastUnited KingdomWLVale of GlamorganLlanblethianToday 18 Sep10%Fri 19 Sep35%Sat 20 Sep65%Sun 21 Sep20%Mon 22 Sep5%Tue 23 Sep5%Wed 24 Sep5%Llanblethian rainfall forecast issued today at 1:37 pm. Next forecast at approx. 3:37 am.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