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Lake Saint Clair

Lake Saint Clair Current Water Temperature and Forecast

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

35°F

TODAY

35°F

YESTERDAY

35°F

A WEEK AGO

As of today, the minimum water temperature in the Lake Saint Clair ranges less than 41°F (5°C). Such water is extremely cold and not recommended for swimming without proper preparation. In these conditions, the risk of hypothermia is very high, and prolonged exposure to the water can be hazardous to your health. If you decide to swim, it is important to have the appropriate gear, such as a wetsuit. Typically, only experienced swimmers or those who practice winter swimming venture into such waters.

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 Saint Clair Over the Last 30 Days

Today the water temperature in Lake Saint Clair is higher than the same day in previous years. The water temperature range here in February is from 28°F to 37°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 Saint Clair 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
Feb 1635°F33°F
Feb 1735°F33°F
Feb 1834°F33°F
Feb 1935°F33°F
Feb 2035°F33°F
Feb 2134°F33°F
Feb 2235°F33°F
Feb 2335°F33°F
Feb 2433°F35°F
Feb 2533°F34°F
Feb 2633°F34°F
Feb 2733°F34°F
Feb 2833°F34°F
Mar 134°F34°F
Mar 234°F34°F
Mar 334°F34°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 Saint Clair by Month

January

MinimumAverageMaximum
32°F38°F45°F

February

MinimumAverageMaximum
28°F33°F37°F

March

MinimumAverageMaximum
28°F34°F39°F

April

MinimumAverageMaximum
32°F39°F46°F

May

MinimumAverageMaximum
50°F55°F61°F

June

MinimumAverageMaximum
57°F64°F72°F

July

MinimumAverageMaximum
64°F72°F79°F

August

MinimumAverageMaximum
68°F73°F79°F

September

MinimumAverageMaximum
63°F71°F79°F

October

MinimumAverageMaximum
50°F59°F68°F

November

MinimumAverageMaximum
41°F49°F57°F

December

MinimumAverageMaximum
32°F39°F46°F

Monthly Water Temperature Histogram for Lake Saint Clair

Water Temperature in Cities and Towns on Lake Saint Clair

Pearl Beach
United States (Michigan)
34°F
United States (Michigan)
34°F
Algonac
United States (Michigan)
34°F
New Baltimore
United States (Michigan)
34°F
United States (Michigan)
32°F
Canada (Ontario)
34°F

Lake Saint Clair Weather

FEBRUARY 24

25°F / 39°F
fog

rain: 22% | wind: 16 mph

FEBRUARY 25

34°F / 39°F
light drizzle

rain: 24% | wind: 12 mph

FEBRUARY 26

30°F / 45°F
overcast

rain: 23% | wind: 14 mph

FEBRUARY 27

27°F / 43°F
overcast

rain: 35% | wind: 15 mph

Water Temperature in Lake Saint Clair: General Trends and Swimming Opportunities

Max. length 26 mi (42 km)
Max. width 24 mi (39 km)
Surface area 430 sq mi (1,114 km2)
Average depth 11 ft (3.4 m)
Max. depth 27 ft (8.2 m)

Lake St. Clair, nestled between Michigan and Ontario, is a vital part of the Great Lakes system, connecting Lake Huron to Lake Erie via the St. Clair River and Detroit River. Though smaller in size compared to the nearby Great Lakes, it offers abundant opportunities for swimming, boating, and other water activities. Its relatively shallow depth makes it a favorite spot for recreational use, especially during the warmer months.

The water temperature in Lake St. Clair rises significantly in summer, often reaching a comfortable 70°F to 80°F (21°C to 27°C) by mid-July and August, especially in shallow bays and near beaches. These warm conditions make it an inviting location for swimming and water sports. Spring and early summer can be cooler, with temperatures gradually increasing as the season progresses. Thanks to its shallowness, the lake warms up faster than deeper bodies of water, making it accessible for swimming earlier in the year.

Several public beaches, such as those at Metro Beach or along the Canadian shoreline, provide safe and enjoyable swimming areas with amenities like picnic spots and playgrounds. While generally calm, swimmers should be mindful of occasional water quality advisories, particularly after heavy rains, as runoff can temporarily affect conditions. Lake St. Clair’s combination of warm waters and recreational facilities ensures it remains a popular destination for families and water enthusiasts alike.

The nearest cities ans towns to Lake Saint Clair are: Grosse Pointe Shores, Grosse Pointe Farms, Saint Clair Shores, Grosse Pointe Woods, Harper Woods, Grosse Pointe, Roseville, Grosse Pointe Park, Eastpointe, Pearl Beach in Michigan.

Geographical Location of Lake Saint Clair

Nearby Lakes

Frequently Asked Questions About Lake Saint Clair and its Water Temperatures

What is the current water temperature in Lake Saint Clair?

The water temperature today in Lake Saint Clair ranges from 32°F (0.2°C) to 34°F (1.2°C).

What is the water temperature in Lake Saint Clair during the summer months?

The average water temperature in Lake Saint Clair during the summer months is typically between 64°F to 73°F (18°C to 23°C), and it can reach up to 79°F (26°C) at its warmest. However, in some years, the temperature may exceed this range.

What is the water temperature in Lake Saint Clair in May?

The average water temperature in Lake Saint Clair in May ranges from 50°F to 61°F (10°C to 16°C).

What is the water temperature in Lake Saint Clair in September?

The average water temperature in Lake Saint Clair in September is typically between 63°F to 79°F (17°C to 26°C).

Where is Lake Saint Clair located?

Lake Saint Clair is located in the United States in the state of Michigan, in the counties of Macomb, St. Clair, Wayne, and in Canada (Ontario), at an elevation of 567 feet (173 meters) above sea level. The surface area of the lake is 161.815 sq mi (419.10 sq km).

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

Yes, swimming is generally permitted in Lake St Clair, Michigan. There are numerous public and private beaches, and boaters often swim off their vessels.

What are the coordinates of Lake Saint Clair?

Lake Saint Clair is located at coordinates 42.4430°N 82.6800°W.

What species of fish can be found in Lake Saint Clair?

Lake St Clair is home to fish species such as Smallmouth bass (best caught in Spring, Fall), Largemouth bass (Spring, Fall), Yellow perch (Spring, Winter), Walleye (Spring, Fall), Northern pike (Spring, Fall), Muskellunge (Spring, Fall), Bluegill (Spring, Summer), Black crappie (Spring, Fall), White crappie (Spring, Fall), Channel catfish (Spring, Summer), Brown bullhead (Spring, Summer, Fall), Gar (Summer), Freshwater drum (Summer), White bass (Spring, Summer), Rock bass (Spring, Summer), Pumpkinseed (Spring, Summer), Bowfin (Spring, Summer), Longnose gar (Summer).