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Otter Lake

Otter Lake Current Water Temperature and Forecast

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

46°F

TODAY

47°F

YESTERDAY

49°F

A WEEK AGO

As of today, the minimum water temperature in the Otter Lake ranges from 41°F (5°C) to 47°F (8°C). This water temperature is still quite low, and swimming in such conditions may only be comfortable for hardened individuals. It is recommended to limit the time spent in the water to avoid hypothermia. For those not accustomed to cold water, it is better to refrain from swimming. However, if you decide to enter the water, it is advisable to wear a warm wetsuit for protection against the cold.

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 Otter Lake Over the Last 30 Days

Today the water temperature in Otter Lake is higher than the same day in previous years. The water temperature range here in March is from 36°F to 52°F. The water temperature has decreased over the past 7 days but has increased over the past month.

The forecasted water temperature values for Otter 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
Mar 2249°F44°F
Mar 2350°F44°F
Mar 2450°F44°F
Mar 2551°F44°F
Mar 2646°F44°F
Mar 2747°F44°F
Mar 2847°F44°F
Mar 2946°F44°F
Mar 3044°F46°F
Mar 3144°F46°F
Apr 154°F46°F
Apr 254°F47°F
Apr 354°F47°F
Apr 454°F48°F
Apr 554°F48°F
Apr 654°F48°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 Otter Lake by Month

January

MinimumAverageMaximum
34°F38°F43°F

February

MinimumAverageMaximum
34°F38°F43°F

March

MinimumAverageMaximum
36°F44°F52°F

April

MinimumAverageMaximum
50°F54°F59°F

May

MinimumAverageMaximum
63°F67°F72°F

June

MinimumAverageMaximum
68°F73°F77°F

July

MinimumAverageMaximum
79°F84°F88°F

August

MinimumAverageMaximum
73°F77°F81°F

September

MinimumAverageMaximum
73°F77°F81°F

October

MinimumAverageMaximum
64°F68°F72°F

November

MinimumAverageMaximum
48°F53°F57°F

December

MinimumAverageMaximum
37°F41°F45°F

Monthly Water Temperature Histogram for Otter Lake

Otter Lake Weather

MARCH 29

55°F / 64°F
overcast

rain: 39% | wind: 21 mph

MARCH 30

50°F / 64°F
moderate rain showers

rain: 50% | wind: 17 mph

MARCH 31

32°F / 50°F
moderate rain showers

rain: 50% | wind: 21 mph

APRIL 1

25°F / 45°F
overcast

rain: 19% | wind: 19 mph

Water Temperature in Otter Lake: General Trends and Swimming Opportunities

Otter Lake is located in the state of Illinois, in the county of Macoupin, at an elevation of 616 feet (188 meters) above sea level.

Otter Lake is a small lake. Its surface area is 0.66 sq mi (1.70 sq km). These are small water bodies often used for recreation, fishing, or irrigation.

The water temperature in Otter Lake varies throughout the year, ranging from 34°F (1°C) in January to 88°F (31°C) in July. The average annual water temperature of the lake is 59°F (15°C). The months when the average water temperature in Otter Lake exceeds 68 degrees Fahrenheit (20°C) are June, July, August, September and October.

The nearest cities ans towns to Otter Lake are: Girard, Virden, Carlinville, Waverly, Auburn, Divernon, Greenfield, Chatham, Gillespie, Pawnee in Illinois.

Geographical Location of Otter Lake

Frequently Asked Questions About Otter Lake and its Water Temperatures

What is the current water temperature in Otter Lake?

The water temperature today in Otter Lake is 46°F (7.8°C).

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

The average water temperature in Otter Lake during the summer months is typically between 73°F to 84°F (23°C to 29°C), and it can reach up to 88°F (31°C) at its warmest. However, in some years, the temperature may exceed this range.

What is the water temperature in Otter Lake in May?

The average water temperature in Otter Lake in May ranges from 63°F to 72°F (17°C to 22°C).

What is the water temperature in Otter Lake in September?

The average water temperature in Otter Lake in September is typically between 73°F to 81°F (23°C to 27°C).

Where is Otter Lake located?

Otter Lake is located in the United States in the state of Illinois, in the county of Macoupin, at an elevation of 616 feet (188 meters) above sea level. The surface area of the lake is 0.655 sq mi (1.70 sq km).

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

Yes, it is possible to swim in Otter Lake, Illinois. However, swimming conditions and potential restrictions depend on local rules and regulations, which should be confirmed with local authorities.

What are the coordinates of Otter Lake?

Otter Lake is located at coordinates 39.4200°N 89.8990°W.

Is Lake Otter Lake a popular vacation spot among Americans?

Otter Lake is among the top 1,000 most popular lakes in the United States, which is impressive considering there are tens of thousands of lakes in the country.

What species of fish can be found in Otter Lake?

Otter Lake is home to fish species such as Largemouth bass (best caught in Spring, Fall), Bluegill (Spring, Summer), Channel catfish (Spring, Summer), Northern pike (Spring, Fall), Walleye (Spring, Fall).