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 3:37 am. Next forecast at approx. 3:37 pm.St Harmon Wind Statistics December WindTrawsgoed (19.3 miles)2019NovemberDecemberStrongest 5 December, 201911.2mph SWAverage December2.2mphStrongest 9 November, 201920.1mph ESEAverage November4.4mphStrongest 27 January, 201924.6mph NNWAverage 20194.2mphClimate (2011–Present)Trawsgoed (19.3 miles)Take a look at our website widgetsAvailable free! Find Out MoreStrongest 2 March, 201835.8mph EAverage 2011–Present4.2mphWind RoseAnnual (5 Year Average)5 Year Average Annual5 Year Average December15%8.75%2.5%CalmStrongDecember Wind RoseDecember (5 Year Average)5 Year Average Annual5 Year Average December20%11.25%2.5%CalmStrongGet an account to remove ads