Weighing daily isn't necessarily bad (it can teach you about your body's fluctuations), but if you're getting obsessed then you may have to literally lock up the scale somewhere or make it an ordeal to get to.
I've seen some bloggers put the scale in their car, put it high up so they can't reach it, etc. Make it accessible so you can get to it on your weigh-in day, but difficult to get to so that you won't want to go to it every day.
FWIW, I weigh everyday and track the results. It's given me a handy chart that shows my weight loss and I've done another one for maintenance.