Troedyrhiw Rainfall ForecastUnited KingdomWLMerthyr TydfilTroedyrhiwToday 26 Sep55%Sun 27 Sep95%Mon 28 Sep25%Tue 29 Sep85%Wed 30 Sep75%Thu 1 Oct35%Fri 2 Oct15%1-Day3-Day5-Day Graph Plots Open in Graphs Rainfall Probability Forecast Met Office Rain Today Real-Time Troedyrhiw rainfall forecast issued today at 7:09 pm. Next forecast at approx. 9:09 am. Rainfall Rainfall AccumulationCrug-y-Gorllwyn (Carmarthenshire) RadarGet WillyWeather+ to remove ads