Rhiw Rainfall ForecastUnited KingdomWLGwyneddRhiwToday 13 Jan95%Wed 14 Jan85%Thu 15 Jan45%Fri 16 Jan30%Sat 17 Jan10%Sun 18 Jan20%Mon 19 Jan15%Rhiw rainfall forecast issued today at 12:37 pm. Next forecast at approx. 2:37 am.1-Day3-Day5-Day Graph Plots Open in Graphs Rainfall Probability Forecast Met Office Rain Today Real-Time Crug-y-Gorllwyn (Carmarthenshire) RadarNational SatelliteNational SynopticGet WillyWeather+ to remove ads