Harnham Wind ForecastUnited KingdomSWWiltshireHarnham1-Day3-Day5-Day Graph Plots Open in Graphs Wind Forecast Met OfficeWind Real-Time Harnham wind forecast issued today at 12:13 pm. Next forecast at approx. 12:13 am.Harnham Wind Statistics December WindBoscombe Down (12km)2024NovemberDecemberStrongest 1 December, 202415.7mph WSWAverage December8.9mphStrongest 24 November, 202435.8mph SSWAverage November6.6mphStrongest 2 January, 202435.8mph WAverage 20248mphClimate (2011–Present)Boscombe Down (12km)Take a look at our website widgetsAvailable free! Find Out MoreStrongest 18 February, 202247mph WSWAverage 2019–20248.1mphWind RoseAnnual (5 Year Average)5 Year Average Annual5 Year Average December15%8.75%2.5%CalmStormDecember Wind RoseDecember (5 Year Average)5 Year Average Annual5 Year Average December15%8.75%2.5%CalmStormGet WillyWeather+ to remove ads