Lake Superior, Western Lake Superior · Lake
The current water temperature at Lake Superior is 20.1 °C (as of July 17, 2026, source: NOAA NDBC).
Can you swim at Lake Superior right now?
The current water temperature is 20.1 °C. See live swimming conditions, weather and quality in the BrrChecker app.
How warm is the water at Lake Superior?
Currently 20.1 °C (updated continuously).
How warm is at Lake Superior in July?
In July, the water temperature recently averaged 15.6 °C.