By mid-week, the crystal clear lake hit 73°F. Un-chilly enough to ski, swim, and dive for golf balls without blueing up the skin or screaming up the air.
The massive amount of rain has spawned an impressive amount of bugs. Some occasionally use residents and visitors as a foothold. The vast majority use them as an inexhaustible blood supply. If you're coming up to the northwoods, bring DEET.