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 yesterday at 7:09 pm. Next forecast at approx. 7:09 am.Weymouth Harbour Wind Statistics July WindIsle Of Portland (9km)2025JuneJulyStrongest 5 July, 202526.8mph WSWAverage July12.9mphStrongest 3 June, 202526.8mph SSWAverage June12.4mphStrongest 1 January, 202544.7mph SWAverage 202512.5mphClimate (2011–Present)Isle Of Portland (9km)Take a look at our website widgetsAvailable free! Find Out MoreStrongest 18 February, 202262.6mph WSWAverage 2020–202513.6mphWind RoseAnnual (5 Year Average)5 Year Average Annual5 Year Average July20%11.25%2.5%CalmNear GaleJuly Wind RoseJuly (5 Year Average)5 Year Average Annual5 Year Average July30%16.25%2.5%CalmNear GaleGet WillyWeather+ to remove ads