Dyffryn Rainfall ForecastUnited KingdomWLVale of GlamorganDyffrynToday 28 Jan50%Fri 29 Jan80%Sat 30 Jan65%Sun 31 Jan45%Mon 1 Feb25%Dyffryn rainfall forecast issued today at 12:31 pm. Next forecast at approx. 2:31 am.1-Day3-Day5-Day Graph Plots Open in Graphs Rainfall Probability Forecast Met Office Rain Today Real-Time National RadarNational SatelliteNational SynopticGet an account to remove ads