I feel my legs like they have fever, and weak... Also when its cold I've been goin to the bathroom more then usual. Whats happening to my legs?

Hot Legs Plus. You could have one problem, diabetes not currently diagnosed, causing some damage to the nerves in the legs called diabetic neuropathy. This could be diabetes, with another source for the leg sensations, such as blocked arteries. Please see you doctor for exam and testing.