Lake Erie Water Temperature in Mentor
Updated Sep 4, 12:19 PM ET · Source: NOAA buoy Fairport Harbor
That's comfortable for swimming for most people.
Mentor's Headlands Beach fronts the deeper eastern edge of the central basin, so the water warms a little later and holds cooler temperatures than the shallows to the west. That cooler, deeper water is part of why the nearby Grand River port fishes well into the shoulder seasons.
See it across the whole lake
Mentor sits in Lake Erie's central basin. NOAA's daily satellite map shows how its water temperature compares to the rest of the lake.

Source: NOAA GLERL CoastWatch (GLSEA)
What is the Lake Erie water temperature at Mentor right now?
The latest Lake Erie water temperature near Mentor, OH is 77°F, measured at the Fairport Harbor buoy (NOAA station 45207).
Is Lake Erie warm enough to swim at Mentor?
The current surface temperature near Mentor is 77°F. That's comfortable for swimming for most people.
Where does the Mentor water temperature come from?
It comes directly from real-time NOAA NDBC buoy data (Fairport Harbor). The lake-wide picture uses NOAA GLERL CoastWatch's daily GLSEA satellite analysis.
