Cwm-twrch Uchaf Rainfall ForecastUnited KingdomWLPowysCwm-twrch UchafToday 4 Dec55%Fri 5 Dec100%Sat 6 Dec85%Sun 7 Dec65%Mon 8 Dec95%Tue 9 Dec60%Wed 10 Dec60%Cwm-twrch Uchaf rainfall forecast issued today at 6:35 am. Next forecast at approx. 8:35 pm.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