Lake Michigan, Winthrop Harbor Buoy, IL · Lake
The current water temperature at Lake Michigan is 24.9 °C (as of July 17, 2026, source: NOAA NDBC).
Can you swim at Lake Michigan right now?
The current water temperature is 24.9 °C. See live swimming conditions, weather and quality in the BrrChecker app.
How warm is the water at Lake Michigan?
Currently 24.9 °C (updated continuously).
How warm is at Lake Michigan in July?
In July, the water temperature recently averaged 19.0 °C.