St Harmon Wind ForecastUnited KingdomWLPowysSt Harmon1-Day3-Day5-Day Graph Plots Open in Graphs Wind Forecast Met OfficeWind Real-Time St Harmon wind forecast issued today at 7:11 pm. Next forecast at approx. 7:11 am.St Harmon Wind Statistics July WindTrawsgoed (31km)2025JuneJulyStrongest 7 July, 202515.7mph WNWAverage July3.8mphStrongest 1 June, 202517.9mph WAverage June4.5mphStrongest 5 January, 202526.8mph EAverage 20254.3mphClimate (2011–Present)Trawsgoed (31km)Take a look at our website widgetsAvailable free! Find Out MoreStrongest 7 December, 202435.8mph NWAverage 2020–20254.3mphWind RoseAnnual (5 Year Average)5 Year Average Annual5 Year Average July17.5%10%2.5%CalmFreshJuly Wind RoseJuly (5 Year Average)5 Year Average Annual5 Year Average July20%11.25%2.5%CalmFreshGet WillyWeather+ to remove ads