Gurnos Rainfall ForecastUnited KingdomWLMerthyr TydfilGurnosToday 11 JulNo RainSun 12 JulNo RainMon 13 JulNo RainTue 14 Jul5%Wed 15 Jul10%Thu 16 Jul35%Fri 17 Jul15%Gurnos rainfall forecast issued today at 7:36 pm. Next forecast at approx. 9:36 am.1-Day3-Day5-Day Graph Plots Open in Graphs Rainfall Probability Forecast Met Office Rain Today Real-Time Rainfall Rainfall AccumulationCrug-y-Gorllwyn (Carmarthenshire) RadarGet WillyWeather+ to remove ads