Lake Superior, McQuade Harbor Nearshore, MN · Lake
The current water temperature at Lake Superior is 17.2 °C (as of July 17, 2026, source: NOAA NDBC).
Can you swim at Lake Superior right now?
The current water temperature is 17.2 °C. See live swimming conditions, weather and quality in the BrrChecker app.
How warm is the water at Lake Superior?
Currently 17.2 °C (updated continuously).
How warm is at Lake Superior in July?
In July, the water temperature recently averaged 13.7 °C.