If the day's weather forecast is grim, why not spend some time at Knauf Museum? You'll be surprised just how much you can discover about the past here.
This Iphofen collection of historical artifacts is an interesting place to start your day of sightseeing. There's lots to see close by, like Townhall, Froehstockheim Castle, and Crailsheim Schloss. Wander around at your leisure at Knauf Museum before hitting up these other fine sights.