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Johnson Lake

Johnson Lake Current Water Temperature and Forecast

On this page, you will find comprehensive information about the water temperature in Johnson Lake, 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

67°F

TODAY

67°F

YESTERDAY

67°F

A WEEK AGO

As of today, the minimum water temperature in the Johnson Lake ranges from 65°F (18°C) to 68°F (20°C). This is already quite warm water, which is ideal for most people. Swimming becomes comfortable, and prolonged stays in the water do not cause discomfort. This temperature is perfect for family trips and for those who prefer warmer water. It is also comfortable for water sports such as surfing or swimming.

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 Johnson Lake Over the Last 30 Days

Today the water temperature in Johnson Lake is lower than the same day in previous years. The water temperature range here in July is from 66°F to 81°F. The water temperature is trending upward, and it has increased both over the past 30 days and the past week.

The forecasted water temperature values for Johnson Lake 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
Jul 1367°F73°F
Jul 1467°F73°F
Jul 1567°F73°F
Jul 1667°F73°F
Jul 1767°F73°F
Jul 1867°F73°F
Jul 1967°F73°F
Jul 2067°F73°F
Jul 2173°F68°F
Jul 2273°F68°F
Jul 2373°F69°F
Jul 2473°F69°F
Jul 2573°F69°F
Jul 2673°F69°F
Jul 2773°F70°F
Jul 2873°F70°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 Johnson Lake by Month

January

MinimumAverageMaximum
32°F34°F39°F

February

MinimumAverageMaximum
32°F35°F39°F

March

MinimumAverageMaximum
32°F35°F39°F

April

MinimumAverageMaximum
36°F43°F50°F

May

MinimumAverageMaximum
41°F54°F66°F

June

MinimumAverageMaximum
55°F68°F81°F

July

MinimumAverageMaximum
66°F73°F81°F

August

MinimumAverageMaximum
73°F78°F82°F

September

MinimumAverageMaximum
64°F69°F73°F

October

MinimumAverageMaximum
43°F47°F52°F

November

MinimumAverageMaximum
37°F42°F46°F

December

MinimumAverageMaximum
34°F38°F43°F

Monthly Water Temperature Histogram for Johnson Lake

Johnson Lake Weather

JULY 21

59°F / 77°F
overcast

rain: 26% | wind: 11 mph

JULY 22

63°F / 79°F
dense intensity drizzle

rain: 49% | wind: 9 mph

JULY 23

66°F / 82°F
moderate rain showers

rain: 57% | wind: 7 mph

JULY 24

57°F / 81°F
overcast

rain: 21% | wind: 10 mph

JULY 25

55°F / 84°F
mainly clear

rain: 15% | wind: 7 mph

JULY 26

64°F / 91°F
slight thunderstorm

rain: 13% | wind: 11 mph

Water Temperature in Johnson Lake: General Trends and Swimming Opportunities

Johnson Lake is located in the state of Minnesota, in the county of St.

Johnson Lake is a small lake. Its surface area is 2.60 sq mi (6.74 sq km). These are small water bodies often used for recreation, fishing, or irrigation.

The water temperature in Johnson Lake varies throughout the year, ranging from 32°F (0°C) in January to 82°F (28°C) in August. The average annual water temperature of the lake is 54°F (12°C). The months when the average water temperature in Johnson Lake exceeds 68 degrees Fahrenheit (20°C) are June, July, August and September.

Geographical Location of Johnson Lake

Frequently Asked Questions About Johnson Lake and its Water Temperatures

What is the current water temperature in Johnson Lake?

The water temperature today in Johnson Lake is 67°F (19.7°C).

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

The average water temperature in Johnson Lake during the summer months is typically between 76°F to 78°F (24°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 Johnson Lake in May?

The average water temperature in Johnson Lake in May ranges from 57°F to 66°F (14°C to 19°C).

What is the water temperature in Johnson Lake in September?

The average water temperature in Johnson Lake in September is typically between 64°F to 73°F (18°C to 23°C).

Where is Johnson Lake located?

Johnson Lake is located in the United States in the state of Minnesota, in the county of St. Louis, at an elevation of 1158 feet (353 meters) above sea level. The surface area of the lake is 2.602 sq mi (6.74 sq km).

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

Yes, it's possible to swim in Johnson Lake, Minnesota. However, the quality of swimming will depend on current water conditions, and available facilities such as public access or designated swimming areas.

What are the coordinates of Johnson Lake?

Johnson Lake is located at coordinates 48.3460°N 92.5920°W.

Is Lake Johnson Lake a popular vacation spot among Americans?

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