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 6:09 am. Next forecast at approx. 6:09 pm.Harrow on the Hill Wind Statistics February WindNortholt (5km)2026JanuaryFebruaryStrongest 16 February, 202624.6mph WNWAverage February6.9mphStrongest 9 January, 202622.4mph NWAverage January6.8mphStrongest 16 February, 202624.6mph WNWAverage 20266.8mphClimate (2011–Present)Northolt (5km)Take a look at our website widgetsAvailable free! Find Out MoreStrongest 18 February, 202238mph WSWAverage 2021–20266.3mphWind RoseAnnual (5 Year Average)5 Year Average Annual5 Year Average February20%11.25%2.5%CalmNear GaleFebruary Wind RoseFebruary (5 Year Average)5 Year Average Annual5 Year Average February17.5%10%2.5%CalmNear GaleGet WillyWeather+ to remove ads