Rhos-y-llan Rainfall ForecastUnited KingdomWLGwyneddRhos-y-llanToday 11 Aug5%Wed 12 Aug5%Thu 13 Aug15%Fri 14 Aug15%Sat 15 Aug10%Sun 16 Aug75%Mon 17 Aug40%1-Day3-Day5-Day Graph Plots Open in Graphs Rainfall Probability Forecast Met Office Rain Today Real-Time Rhos-y-llan rainfall forecast issued today at 7:08 am. Next forecast at approx. 9:08 pm. Rainfall Rainfall AccumulationCrug-y-Gorllwyn (Carmarthenshire) RadarGet WillyWeather+ to remove ads