Tyn-y-cwm Rainfall ForecastUnited KingdomWLPowysTyn-y-cwmToday 27 Apr55%Sun 28 Apr20%Mon 29 Apr50%Tue 30 Apr35%Wed 1 May35%Thu 2 May35%Tyn-y-cwm rainfall forecast issued today at 7:38 am. Next forecast at approx. 9:38 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 an account to remove ads