Seion Rainfall ForecastUnited KingdomWLGwyneddSeionToday 14 Oct10%Wed 15 Oct10%Thu 16 Oct10%Fri 17 Oct10%Sat 18 Oct10%Sun 19 Oct80%Mon 20 Oct65%Seion rainfall forecast issued today at 7:36 pm. Next forecast at approx. 9:36 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