If the weather forecast is grim, why not spend your day at Fuchu no Mori Museum? You'll be fascinated by just how many interesting facts you can uncover about days gone by here.
This Fuchu collection of historical artifacts is a good spot to kick off your day of sightseeing. There's lots to experience in the vicinity, like Museum of Japanese Houses, Ghibli Museum, and Sanrio Puroland. Take your time at Fuchu no Mori Museum before heading to these other fine sights.