Trelewis Rainfall ForecastUnited KingdomWLMerthyr TydfilTrelewisToday 15 JulNo RainThu 16 Jul5%Fri 17 JulNo RainSat 18 JulNo RainSun 19 Jul5%Mon 20 JulNo RainTrelewis rainfall forecast issued yesterday at 7:35 pm. Next forecast at approx. 9:35 am.1-Day3-Day5-Day Graph Plots Open in Graphs Rainfall Probability Forecast Met Office Rain Today Real-Time Rainfall Rainfall AccumulationCobbacombe Cross (Devon) RadarGet WillyWeather+ to remove ads