in General Knowledge Neptune has the strongest winds in the… by Chirag Chauhan April 6, 2018, 4:59 am 196 Views Neptune has the strongest winds in the Solar System 2100 km per hour 1304 mph. Neptune Winds Leave a Reply Cancel replyYour email address will not be published. Required fields are marked *Comment * Name * Email * Website By using this form you agree with the storage and handling of your data by this website. *