Troedyrhiw Rainfall ForecastUnited KingdomWLMerthyr TydfilTroedyrhiwToday 6 Sep80%Mon 7 Sep95%Tue 8 Sep55%Wed 9 Sep15%Thu 10 Sep50%Fri 11 Sep20%Sat 12 Sep65%1-Day3-Day5-Day Graph Plots Open in Graphs Rainfall Probability Forecast Met Office Rain Today Real-Time Troedyrhiw rainfall forecast issued today at 7:08 pm. Next forecast at approx. 9:08 am. Rainfall Rainfall AccumulationCrug-y-Gorllwyn (Carmarthenshire) RadarGet WillyWeather+ to remove ads