Harrow Wind ForecastUnited KingdomSEGreater LondonHarrow1-Day3-Day5-Day Graph Plots Open in Graphs Wind Forecast Met OfficeWind Real-Time Harrow wind forecast issued today at 1:09 am. Next forecast at approx. 1:09 pm.Harrow Wind Statistics June WindNortholt (6km)2025MayJuneStrongest 23 June, 202522.4mph WNWAverage June7.5mphStrongest 25 May, 202520.1mph WAverage May7.2mphStrongest 1 January, 202524.6mph SWAverage 20256.1mphClimate (2011–Present)Northolt (6km)Take a look at our website widgetsAvailable free! Find Out MoreStrongest 18 February, 202238mph WSWAverage 2020–20256.4mphWind RoseAnnual (5 Year Average)5 Year Average Annual5 Year Average June20%11.25%2.5%CalmNear GaleJune Wind RoseJune (5 Year Average)5 Year Average Annual5 Year Average June17.5%10%2.5%CalmNear GaleGet WillyWeather+ to remove ads