Trefechan Wind ForecastUnited KingdomWLMerthyr TydfilTrefechan1-Day3-Day5-Day Graph Plots Open in Graphs Wind Forecast Met OfficeWind Real-Time Trefechan wind forecast issued today at 1:10 am. Next forecast at approx. 1:10 pm.Trefechan Wind Statistics April WindSennybridge (35km)2026MarchAprilStrongest 4 April, 202633.6mph SSWAverage April8.6mphStrongest 12 March, 202631.3mph SWAverage March6.1mphStrongest 4 April, 202633.6mph SSWAverage 20267.1mphClimate (2011–Present)Sennybridge (35km)Take a look at our website widgetsAvailable free! Find Out MoreStrongest 13 March, 202335.8mph SWAverage 2021–20265.4mphWind RoseAnnual (5 Year Average)5 Year Average Annual5 Year Average April15%8.75%2.5%CalmNear GaleApril Wind RoseApril (5 Year Average)5 Year Average Annual5 Year Average April20%11.25%2.5%CalmNear GaleGet WillyWeather+ to remove ads