I started doing that too. I try to weigh myself at the same time and same conditions every day to keep it from fluctuating too much from other factors. Today was 53.4 kilos (117.5 pounds). I know it doesn't sound like much but I am short with small bones and at this weight I would not be caught dead in the wrong clothing ...
There is a fluctuation - how I guage it is the "lowest possible." Ie if one week, the lowest I go is 53.4, and the next week the lowest I go is 52.9, I know I am getting somewhere and don't worry too much about daily ups and downs.