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 12:10 pm. Next forecast at approx. 12:10 am.Weymouth Harbour Wind Statistics January WindIsle Of Portland (9km)2026DecemberJanuaryStrongest 2 January, 202629.1mph WNWAverage January16.1mphStrongest 5 December, 202544.7mph SAverage December17.9mphStrongest 2 January, 202629.1mph WNWAverage 202616.1mphClimate (2011–Present)Isle Of Portland (9km)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 January20%11.25%2.5%CalmStrong GaleJanuary Wind RoseJanuary (5 Year Average)5 Year Average Annual5 Year Average January17.5%10%2.5%CalmStrong GaleGet WillyWeather+ to remove ads