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 6:10 pm. Next forecast at approx. 6:10 am.Harrow Wind Statistics October WindNortholt (6km)2025SeptemberOctoberStrongest 4 October, 202531.3mph WAverage October5.8mphStrongest 15 September, 202526.8mph WSWAverage September6.9mphStrongest 4 October, 202531.3mph WAverage 20256.1mphClimate (2011–Present)Northolt (6km)Take a look at our website widgetsAvailable free! Find Out MoreStrongest 18 February, 202238mph WSWAverage 2020–20256.3mphWind RoseAnnual (5 Year Average)5 Year Average Annual5 Year Average October20%11.25%2.5%CalmGaleOctober Wind RoseOctober (5 Year Average)5 Year Average Annual5 Year Average October17.5%10%2.5%CalmGaleGet WillyWeather+ to remove ads