Tai'r-ysgol Rainfall ForecastUnited KingdomWLSwanseaTai'r-ysgolToday 18 Jul5%Sun 19 Jul5%Mon 20 JulNo RainTue 21 JulNo RainWed 22 Jul5%Thu 23 JulNo Rain1-Day3-Day5-Day Graph Plots Open in Graphs Rainfall Probability Forecast Met Office Rain Today Real-Time Tai'r-ysgol rainfall forecast issued today at 7:19 am. Next forecast at approx. . Rainfall Rainfall AccumulationCrug-y-Gorllwyn (Carmarthenshire) RadarGet WillyWeather+ to remove ads