Dyffryn Castell Rainfall ForecastUnited KingdomWLCeredigionDyffryn CastellToday 21 Oct90%Wed 22 Oct80%Thu 23 Oct60%Fri 24 Oct45%Sat 25 Oct30%Sun 26 Oct55%Dyffryn Castell rainfall forecast issued today at 1:36 am. Next forecast at approx. 3:36 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