Tai'r-heol Rainfall ForecastUnited KingdomWLCaerphillyTai'r-heolToday 17 Oct5%Sun 18 Oct85%Mon 19 Oct50%Tue 20 Oct45%Wed 21 Oct50%Thu 22 Oct90%Fri 23 Oct75%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 7:08 pm. Next forecast at approx. 9:08 am. Rainfall Rainfall AccumulationCobbacombe Cross (Devon) RadarGet WillyWeather+ to remove ads