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Lake John

Lake John Current Water Temperature and Forecast

On this page, you will find comprehensive information about the water temperature in Lake John, including current readings, historical data and trends, monthly averages, as well as weather forecasts and upcoming temperature predictions. We find every spot where you can swim and tell you what the water temperature is there today and throughout the year.

Current Lake Water Temperature Information

68°F

TODAY

69°F

YESTERDAY

71°F

A WEEK AGO

As of today, the minimum water temperature in the Lake John ranges from 68°F (20°C) to 74°F (23°C). The water is warm and pleasant for swimming, and in this range, one can stay in the water for extended periods without the risk of hypothermia. This is the ideal temperature for relaxation, swimming, and water sports. Families with children, as well as outdoor enthusiasts, will enjoy swimming and time spent in the water. For most people, this is the optimal temperature for a comfortable beach experience.

It is important to note that these swimming tips and recommendations apply only in good weather. When the air temperature is below 68°F (20°C), and sometimes even below 77°F (25°C), swimming can be unpleasant even with relatively high water temperatures.

Analysis, Historical Data, and Forecast of Water Temperature

Water Temperature Chart for Lake John Over the Last 30 Days

Today the water temperature in Lake John is higher than the same day in previous years. The water temperature range here in September is from 64°F to 72°F. The water temperature has decreased over the past 7 days but has increased over the past month.

The forecasted water temperature values for Lake John are presented in the table below.

The actual water temperature values near the shore may differ by a few degrees from the stated values. For the development of the forecast, we use our own mathematical model that takes into account the current water temperature changes, historical data, and key weather trends, including wind strength and direction, and air temperature in each specific region.

Daily Water Temperature Chart

DateCurrentAverageForecast
Aug 2971°F76°F
Aug 3071°F76°F
Aug 3171°F76°F
Sep 169°F68°F
Sep 269°F68°F
Sep 369°F68°F
Sep 469°F68°F
Sep 568°F68°F
Sep 668°F68°F
Sep 768°F68°F
Sep 868°F68°F
Sep 968°F68°F
Sep 1068°F68°F
Sep 1168°F68°F
Sep 1268°F68°F
Sep 1368°F68°F
* Current - Actual water temperature value
** Average - Average water temperature on this day in recent years
*** Forecast - Our water temperature forecast

Water Temperature Ranges in Lake John by Month

January

MinimumAverageMaximum
34°F44°F54°F

February

MinimumAverageMaximum
34°F46°F59°F

March

MinimumAverageMaximum
34°F48°F63°F

April

MinimumAverageMaximum
36°F52°F68°F

May

MinimumAverageMaximum
46°F58°F70°F

June

MinimumAverageMaximum
59°F65°F72°F

July

MinimumAverageMaximum
63°F69°F75°F

August

MinimumAverageMaximum
70°F76°F82°F

September

MinimumAverageMaximum
64°F68°F72°F

October

MinimumAverageMaximum
41°F45°F50°F

November

MinimumAverageMaximum
39°F44°F48°F

December

MinimumAverageMaximum
43°F47°F52°F

Monthly Water Temperature Histogram for Lake John

Lake John Weather

SEPTEMBER 6

43°F / 59°F
overcast

rain: 15% | wind: 14 mph

SEPTEMBER 7

37°F / 63°F
overcast

rain: 15% | wind: 8 mph

SEPTEMBER 8

45°F / 73°F
slight rain showers

rain: 8% | wind: 18 mph

SEPTEMBER 9

61°F / 73°F
slight rain showers

rain: 21% | wind: 22 mph

SEPTEMBER 10

57°F / 70°F
light drizzle

rain: 12% | wind: 14 mph

SEPTEMBER 11

43°F / 64°F
partly cloudy

rain: 11% | wind: 13 mph

Water Temperature in Lake John: General Trends and Swimming Opportunities

Lake John is located in the state of Minnesota, in the county of Wright, at an elevation of 1043 feet (318 meters) above sea level.

Lake John is a small lake. Its surface area is 0.62 sq mi (1.60 sq km). These are small water bodies often used for recreation, fishing, or irrigation.

The water temperature in Lake John varies throughout the year, ranging from 39°F (4°C) in November to 82°F (28°C) in August. The average annual water temperature of the lake is 59°F (15°C). The months when the average water temperature in Lake John exceeds 68 degrees Fahrenheit (20°C) are June, August and September.

The nearest cities ans towns to Lake John are: Annandale, Maple Lake, Clearwater, Cokato, Saint Augusta, Howard Lake, Dassel, Saint Augusta, Buffalo, Waverly in Minnesota.

Geographical Location of Lake John

Frequently Asked Questions About Lake John and its Water Temperatures

What is the current water temperature in Lake John?

The water temperature today in Lake John is 68°F (20.2°C).

What is the water temperature in Lake John during the summer months?

The average water temperature in Lake John during the summer months is typically between 67°F to 78°F (19°C to 26°C), and it can reach up to 82°F (28°C) at its warmest. However, in some years, the temperature may exceed this range.

What is the water temperature in Lake John in May?

The average water temperature in Lake John in May ranges from 61°F to 70°F (16°C to 21°C).

What is the water temperature in Lake John in September?

The average water temperature in Lake John in September is typically between 64°F to 72°F (18°C to 22°C).

Where is Lake John located?

Lake John is located in the United States in the state of Minnesota, in the county of Wright, at an elevation of 1043 feet (318 meters) above sea level. The surface area of the lake is 0.617 sq mi (1.60 sq km).

Is it possible to swim in Lake John and what are the possibilities for this?

Yes, it's possible to swim in Lake John, Minnesota. However, ensure you check with local regulations and conditions for safety.

What are the coordinates of Lake John?

Lake John is located at coordinates 45.2600°N 94.1630°W.

Is Lake Lake John a popular vacation spot among Americans?

Lake John enjoys local popularity among the residents of State Minnesota, and nationally, it ranks in the top 10 percent of all lakes in the country.

What species of fish can be found in Lake John?

Lake John is home to fish species such as Largemouth bass (best caught in Spring, Fall), Bluegill (Spring, Summer), Black crappie (Spring, Fall), Northern pike (Spring, Fall), Walleye (Spring, Fall), Yellow perch (Spring, Winter).