Portland Wind ForecastUnited KingdomSWDorsetPortland1-Day3-Day5-Day Graph Plots Open in Graphs Wind Forecast Met OfficeWind Real-Time Portland wind forecast issued today at 1:10 am. Next forecast at approx. 1:10 pm.Portland Wind Statistics May WindIsle Of Portland (5km)2026AprilMayStrongest 10 May, 202622.4mph NEAverage May8.4mphStrongest 4 April, 202635.8mph WSWAverage April15.2mphStrongest 9 January, 202644.7mph NWAverage 202615.3mphClimate (2011–Present)Isle Of Portland (5km)Take a look at our website widgetsAvailable free! Find Out MoreStrongest 18 February, 202262.6mph WSWAverage 2021–202613.7mphWind RoseAnnual (5 Year Average)5 Year Average Annual5 Year Average May20%11.25%2.5%CalmGaleMay Wind RoseMay (5 Year Average)5 Year Average Annual5 Year Average May20%11.25%2.5%CalmGaleGet WillyWeather+ to remove ads