Once you are logged in, go to: http://www.weebly.com/weebly/userHome.php?page=account
You can find the delete account button at the bottom of the page.
Click the button and confirm.
Please note that AccountKiller.com is not associated with the business listed on this page. AccountKiller provides easy-to-understand instructions and guides on how to cancel charges and relationships from the list of businesses on our site, we have no affiliation with these businesses.