FWIW, if you get sick of Weimar and want to see something else, I recommend Thuringia's state capital, Erfurt, which is about 30mins away. Really beautiful town, more city-ish, less touristy, more genuine IMO.

By accident we ended up in Erfurt rather than Weimar on our first visit, and did Weimer as a day trip. We have always returned to stay in Erfurt subsequently.