I am in the same spot you are but I am older. I think your weight is good you just need to keep strength training and the other things you are doing. Hopefully your body will adjust with time.
51 year old (5'4")
Highest weight 234 (9 years ago)
Starting Weight 185.8 (4/10/12)
First Goal 160 (7/10/12) 161.2
Second Goal 155 (8/31/12)
Current Weight 139.2 (4/24/13)
New goal - lose weight slowly, build muscle & lower body fat
"There is no diet that will do what eating healthy does. Skip the diet. Just eat healthy"