Tai'r-heol Rainfall ForecastUnited KingdomWLCaerphillyTai'r-heolToday 18 Jul5%Sun 19 Jul5%Mon 20 Jul5%Tue 21 Jul5%Wed 22 Jul5%Thu 23 Jul5%1-Day3-Day5-Day Graph Plots Open in Graphs Rainfall Probability Forecast Met Office Rain Today Real-Time Tai'r-heol rainfall forecast issued today at 10:39 am. Next forecast at approx. . Rainfall Rainfall AccumulationCobbacombe Cross (Devon) RadarGet WillyWeather+ to remove ads