Originally Posted by
Pickles
Just a word of warning, that it'd be unlikely you'll see Mt. Fiji even on the clearest of days.
On my latest stay (spent mostly in Tokyo and Saitama), Mt.Fuji was clearly visible all but 1 day out of ~10days I was there. It's not always like that. Nonetheless, in my experience, Mt.Fuji is visible from Tokyo for at least a good part of the day on majority of days during winter months.