Troedyrhiw Wind ForecastUnited KingdomWLMerthyr TydfilTroedyrhiw1-Day3-Day5-Day Graph Plots Open in Graphs Wind Forecast Met OfficeWind Real-Time Troedyrhiw wind forecast issued today at 7:10 pm. Next forecast at approx. 7:10 am.Troedyrhiw Wind Statistics September WindSt-athan (34km)2025AugustSeptemberStrongest 3 September, 202522.4mph WAverage September9.5mphStrongest 4 August, 202524.6mph WSWAverage August8.4mphStrongest 16 April, 202535.8mph WAverage 20257.8mphClimate (2011–Present)St-athan (34km)Take a look at our website widgetsAvailable free! Find Out MoreStrongest 7 December, 202447mph WAverage 2020–20257.7mphWind RoseAnnual (5 Year Average)5 Year Average Annual5 Year Average September27.5%15%2.5%CalmNear GaleSeptember Wind RoseSeptember (5 Year Average)5 Year Average Annual5 Year Average September20%11.25%2.5%CalmNear GaleGet WillyWeather+ to remove ads