Hartwell Wind ForecastUnited KingdomSEEast SussexHartwell1-Day3-Day5-Day Graph Plots Open in Graphs Wind Forecast Met OfficeWind Real-Time Hartwell wind forecast issued today at 7:09 am. Next forecast at approx. 7:09 pm.Hartwell Wind Statistics September WindCharlwood (24km)2025AugustSeptemberStrongest 15 September, 202517.9mph WSWAverage September4.6mphStrongest 4 August, 202513.4mph SWAverage August3.5mphStrongest 1 January, 202520.1mph SWAverage 20253.9mphClimate (2011–Present)Charlwood (24km)Take a look at our website widgetsAvailable free! Find Out MoreStrongest 18 February, 202233.6mph SWAverage 2020–20254.1mphWind RoseAnnual (5 Year Average)5 Year Average Annual5 Year Average September17.5%10%2.5%CalmFreshSeptember Wind RoseSeptember (5 Year Average)5 Year Average Annual5 Year Average September17.5%10%2.5%CalmFreshGet WillyWeather+ to remove ads