Troedyrhiw Rainfall ForecastUnited KingdomWLMerthyr TydfilTroedyrhiwToday 23 Jul5%Fri 24 Jul5%Sat 25 Jul15%Sun 26 Jul15%Mon 27 Jul10%Tue 28 Jul15%1-Day3-Day5-Day Graph Plots Open in Graphs Rainfall Probability Forecast Met Office Rain Today Real-Time Troedyrhiw rainfall forecast issued today at 2:37 am. Next forecast at approx. . Rainfall Rainfall AccumulationCrug-y-Gorllwyn (Carmarthenshire) RadarGet WillyWeather+ to remove ads