Mentor on the Lake water temp

This data the coastal Mentor on the Lake water temperature today, tomorrow and the upcoming days. Besides, you can also get information about the weather and surf forecast, as well as the data on sunrise / sunset and moonrise / moonset at a given point on any given day.

Current water temperature in Mentor on the Lake

Water temperature in Mentor on the Lake today is 70.9°F. Based on our historical data over a period of ten years, the warmest water in this day in the Lake Erie near Mentor on the Lake was recorded in 2017 and was 73.2°F, and the coldest was recorded in 2014 at 66.2°F. Water temperature in Mentor on the Lake is expected to drop to 66.4°F in the next 10 days. September average water temperature in Mentor on the Lake is 71.4°F, the minimum temperature is 64.9°F, and the maximum is 77.4°F.

The swimming season in Mentor on the Lake lasts from July to September. During those months, Mentor on the Lake water temperature does not drop below 68°F and therefore suitable for comfortable swimming. The average water temperature in Mentor on the Lake in winter reaches 37.4°F, in spring 43.5°F, in summer the average temperature rises to 71.6°F, and in autumn it is 62.1°F.

Mentor on the Lake water temperature now

Surf Forecast in Mentor on the Lake for today

Another important indicators for a comfortable holiday on the beach are the presence and height of the waves, as well as the speed and direction of the wind. Please find below data on the swell size for Mentor on the Lake. We calculate the swell size based on the mean wave height (trough to crest) of each third highest wave. For more information on surf forecasts for the next ten days, please visit sea state forecast Mentor on the Lake. Data in table shown for September 26, 2025, time in GMT 0 format (you can change the time zone on the sea state forecast page)

Surf report in Mentor on the Lake

Mentor on the Lake weather forecast

Current temperature and weather

Data in a table show Mentor on the Lake temperature today (September 26, 2025). For more information and forecast for a few days, go to the weather forecast Mentor on the Lake.

0-3 h	3-6 h	6-9 h	9-12 h
63°F	61°F	59.5°F	63.9°F

12-15 h	15-18 h	18-21 h	21-24 h
70.5°F	72.1°F	68.5°F	64.8°F

Mentor on the Lake water temperature by month

These figures shows the average, minimum and maximum monthly water temperature in Mentor on the Lake. In addition to the table values, the graph below displays of changes average surface temperature during the year. Values are calculated based on the data over the past 10 years. Using them, you can check the water temperature in Mentor on the Lake on any day of this period that interests you. Click on the month link and you will see a table for each day, or alternatively you can view the temperature curve of the month and select 2 different years you want to compare, either in a table or as a curve

Chart monthly average water temperature in Mentor on the Lake

The nearest beaches and cities from Mentor on the Lake with the water temperature today, as well as the air temperature and the state of the weather during the day and the average wave height for today

	Water	Weather		Wave
Headlands Beach	70.9°F	71.6°F		0' 5"
Euclid	71.1°F	71.6°F		0' 4"
Lorain	71.2°F	69.8°F		0' 3"
Wheatley	69.8°F	68°F		0' 1"
Vermilion	71.8°F	71.6°F		0' 2"
Point Pelee	70.2°F	78.8°F		0' 2"
Pelee Island	70.9°F	64.4°F		0' 2"
Huron	72.7°F	71.6°F		0' 2"
Leamington	69.4°F	78.8°F		0' 2"
Port Burwell	70.5°F	69.8°F		0' 5"

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Our report for Mentor on the Lake is compiled using satellite data together with in-situ observations to get the most reliable daily data of sea surface temperatures, surf forecasts, current temperatures and weather forecasts.