Tai'r-ysgol Rainfall ForecastUnited KingdomWLSwanseaTai'r-ysgolToday 15 Jan50%Fri 16 Jan60%Sat 17 Jan10%Sun 18 Jan20%Mon 19 Jan15%Tue 20 Jan15%Tai'r-ysgol rainfall forecast issued today at 12:36 am. Next forecast at approx. 2:36 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