Leesburg and the rest of Lake County was bitterly cold this morning, with temperatures dropping into the mid-30s before daybreak. Temperatures are expected to rise over the next couple of days, however. The National Weather Service forecast calls for a high of 65 today and a low of 52 overnight, then midday temperatures are expected to climb into the 80s the rest of the week and mid-to-high 50s during the nights.