I'd weigh myself first thing in the morning everyday straight after the morning pee. I dont expect to see a decrease in weight everyday and I rarely do. I'll be roughly the same weight for about 5 or 6 days then i'll see a drop of a few pounds, same when bulking. Just be consistent.
Reason I'd recommend doing it daily is too make sure your not dropping too much weight too quick cos chances are a fair bit of it might be muscle as well as fat.