Weebly is available as an add-on service for current Shared Hosting accounts.
You can add a Weebly domain to your hosting account by registering a new domain name through the ACC, or by adding a domain that you already have registered elsewhere. To add a domain to be used for Weebly:
If this domain is being registered now, follow the instructions on the next few screens. If you already own this domain, you may need to update your nameservers with your registrar.