Tai'r-ysgol Rainfall ForecastUnited KingdomWLSwanseaTai'r-ysgolToday 1 Sep85%Wed 2 Sep90%Thu 3 Sep50%Fri 4 Sep55%Sat 5 Sep10%Sun 6 Sep15%Mon 7 Sep40%1-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 7:09 pm. Next forecast at approx. 9:09 am. Rainfall Rainfall AccumulationCrug-y-Gorllwyn (Carmarthenshire) RadarGet WillyWeather+ to remove ads