Merthyr Vale Wind ForecastUnited KingdomWLMerthyr TydfilMerthyr Vale1-Day3-Day5-Day Graph Plots Open in Graphs Wind Forecast Met OfficeWind Real-Time Merthyr Vale wind forecast issued today at 1:09 pm. Next forecast at approx. 1:09 am. Wind Speed Wind GustMerthyr Vale Wind Statistics October WindSt-athan (32km)2026SeptemberOctoberStrongest – Average October–Strongest 19 September, 202624.6mph WSWAverage September8.4mphStrongest 24 March, 202631.3mph WSWAverage 20268.6mphClimate (2021–2026)St-athan (32km)Take a look at our website widgetsAvailable free! Find Out MoreStrongest 7 December, 202447mph WAverage 2021–20267.9mphWind RoseAnnual (5 Year Average)5 Year Average Annual5 Year Average October27.5%15%2.5%CalmNear GaleOctober Wind RoseOctober (5 Year Average)5 Year Average Annual5 Year Average October35%18.75%2.5%CalmNear GaleGet WillyWeather+ to remove ads