Harrow on the Hill Wind ForecastUnited KingdomSEGreater LondonHarrow on the Hill1-Day3-Day5-Day Graph Plots Open in Graphs Wind Forecast Met OfficeWind Real-Time Harrow on the Hill wind forecast issued today at 12:16 pm. Next forecast at approx. 12:16 am.Harrow on the Hill Wind Statistics November WindNortholt (5km)2024OctoberNovemberStrongest 12 November, 202417.9mph NEAverage November3.6mphStrongest 1 October, 202417.9mph WAverage October4.6mphStrongest 2 January, 202435.8mph WSWAverage 20246.4mphClimate (2011–Present)Northolt (5km)Take a look at our website widgetsAvailable free! Find Out MoreStrongest 12 March, 202038mph WAverage 2019–20246.6mphWind RoseAnnual (5 Year Average)5 Year Average Annual5 Year Average November20%11.25%2.5%CalmNear GaleNovember Wind RoseNovember (5 Year Average)5 Year Average Annual5 Year Average November15%8.75%2.5%CalmNear GaleGet WillyWeather+ to remove ads