Trevethin Wind ForecastUnited KingdomWLTorfaenTrevethin1-Day3-Day5-Day Graph Plots Open in Graphs Wind Forecast Met OfficeWind Real-Time Trevethin wind forecast issued today at 12:16 am. Next forecast at approx. 12:16 pm.Trevethin Wind Statistics June WindSt-athan (26.7 miles)2021MayJuneStrongest 11 June, 202115.7mph WAverage June4.8mphStrongest 21 May, 202135.8mph WSWAverage May8.4mphStrongest 11 March, 202142.5mph WSWAverage 20217.7mphClimate (2011–Present)St-athan (26.7 miles)Take a look at our website widgetsAvailable free! Find Out MoreStrongest 11 March, 202142.5mph WSWAverage 2011–Present8.4mphWind RoseAnnual (5 Year Average)5 Year Average Annual5 Year Average June27.5%15%2.5%CalmNear GaleJune Wind RoseJune (5 Year Average)5 Year Average Annual5 Year Average June35%18.75%2.5%CalmNear GaleGet an account to remove ads