If the weather's not playing nicely, why not spend the day at Kanagawa Prefectural Museum of Cultural History? You'll be fascinated by just how much you can discover about days gone by here.
This collection of historical artifacts is located in the cultural district of Minatomirai. Kanagawa Prefectural Museum of Cultural History is free, making it the perfect cheap day out. Set aside enough time to discover some attractions nearby, like Yokohama Stadium, Landmark Tower and Yokohama Cosmo World.