Weymouth Harbour Wind ForecastUnited KingdomSWDorsetWeymouth Harbour1-Day3-Day5-Day Graph Plots Open in Graphs Wind Forecast Met OfficeWind Real-Time Weymouth Harbour wind forecast issued today at 1:09 am. Next forecast at approx. 1:09 pm. Wind Speed Wind GustWeymouth Harbour Wind Statistics September WindIsle Of Portland (9km)2026AugustSeptemberStrongest – Average September–Strongest 29 August, 202635.8mph WSWAverage August13.4mphStrongest 9 January, 202644.7mph NWAverage 202614mphClimate (2021–2026)Isle Of Portland (9km)Take a look at our website widgetsAvailable free! Find Out MoreStrongest 18 February, 202262.6mph WSWAverage 2021–202613.8mphWind RoseAnnual (5 Year Average)5 Year Average Annual5 Year Average September20%11.25%2.5%CalmGaleSeptember Wind RoseSeptember (5 Year Average)5 Year Average Annual5 Year Average September17.5%10%2.5%CalmGaleGet WillyWeather+ to remove ads