Harefield Wind ForecastUnited KingdomSEGreater LondonHarefield1-Day3-Day5-Day Graph Plots Open in Graphs Wind Forecast Met OfficeWind Real-Time Harefield wind forecast issued today at 1:10 pm. Next forecast at approx. 1:10 am.Harefield Wind Statistics May WindNortholt (7km)2026AprilMayStrongest 10 May, 202617.9mph NEAverage May5.3mphStrongest 3 April, 202624.6mph WAverage April7.5mphStrongest 16 February, 202624.6mph WNWAverage 20267mphClimate (2011–Present)Northolt (7km)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 May20%11.25%2.5%CalmStrongMay Wind RoseMay (5 Year Average)5 Year Average Annual5 Year Average May15%8.75%2.5%CalmStrongGet WillyWeather+ to remove ads