Search for cities, countries, lakes and rivers
Lake St. Louis
Lake St. Louis Current Water Temperature and Forecast
On this page, you will find comprehensive information about the water temperature in Lake St. Louis, 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
48°F
TODAY
47°F
YESTERDAY
43°F
A WEEK AGO
As of today, the minimum water temperature in the Lake St. Louis ranges from 47°F (8°C) to 50°F (10°C). This is still cool water, suitable only for experienced swimmers or those accustomed to cold water. Swimming in such conditions is possible, but not recommended for prolonged periods. Extra caution should be taken during extended exposure, as the cold water can cause heat loss and lead to hypothermia. For added comfort, special clothing can be used.
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 St. Louis Over the Last 30 Days
Today the water temperature in Lake St. Louis is higher than the same day in previous years. The water temperature range here in May is from 37°F to 48°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 Lake St. Louis 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
| Date | Current | Average | Forecast |
|---|---|---|---|
| Apr 29 | 43°F | 38°F | |
| Apr 30 | 43°F | 38°F | |
| May 1 | 45°F | 43°F | |
| May 2 | 45°F | 43°F | |
| May 3 | 46°F | 43°F | |
| May 4 | 47°F | 43°F | |
| May 5 | 47°F | 43°F | |
| May 6 | 48°F | 43°F | |
| May 7 | 43°F | 48°F | |
| May 8 | 43°F | 47°F | |
| May 9 | 43°F | 47°F | |
| May 10 | 43°F | 47°F | |
| May 11 | 43°F | 47°F | |
| May 12 | 43°F | 47°F | |
| May 13 | 43°F | 46°F | |
| May 14 | 43°F | 46°F |
Water Temperature Ranges in Lake St. Louis by Month
January
| Minimum | Average | Maximum |
|---|---|---|
| 32°F | 37°F | 41°F |
February
| Minimum | Average | Maximum |
|---|---|---|
| 32°F | 36°F | 41°F |
March
| Minimum | Average | Maximum |
|---|---|---|
| 32°F | 35°F | 39°F |
April
| Minimum | Average | Maximum |
|---|---|---|
| 32°F | 38°F | 45°F |
May
| Minimum | Average | Maximum |
|---|---|---|
| 37°F | 43°F | 48°F |
June
| Minimum | Average | Maximum |
|---|---|---|
| 50°F | 55°F | 59°F |
July
| Minimum | Average | Maximum |
|---|---|---|
| 72°F | 76°F | 81°F |
August
| Minimum | Average | Maximum |
|---|---|---|
| 66°F | 70°F | 75°F |
September
| Minimum | Average | Maximum |
|---|---|---|
| 68°F | 72°F | 77°F |
October
| Minimum | Average | Maximum |
|---|---|---|
| 46°F | 51°F | 55°F |
November
| Minimum | Average | Maximum |
|---|---|---|
| 36°F | 40°F | 45°F |
December
| Minimum | Average | Maximum |
|---|---|---|
| 34°F | 39°F | 43°F |
Monthly Water Temperature Histogram for Lake St. Louis
Lake St. Louis Weather
MAY 7
55°F / 66°F
light drizzlerain: 82% | wind: 11 mph
MAY 8
46°F / 59°F
moderate drizzlerain: 82% | wind: 12 mph
MAY 9
45°F / 54°F
overcastrain: 21% | wind: 11 mph
MAY 10
39°F / 55°F
moderate drizzlerain: 21% | wind: 10 mph
MAY 11
46°F / 64°F
light drizzlerain: 19% | wind: 12 mph
Water Temperature in Lake St. Louis: General Trends and Swimming Opportunities
Lake St.
Lake St. Louis is a medium lake. Its surface area is 26.4 sq mi (68.3 sq km). Typically versatile lakes with developed ecosystems; popular for water sports and tourism.
The water temperature in Lake St. Louis varies throughout the year, ranging from 32°F (0°C) in January to 81°F (27°C) in July. The average annual water temperature of the lake is 48°F (9°C). The months when the average water temperature in Lake St. Louis exceeds 68 degrees Fahrenheit (20°C) are July, August and September.
Geographical Location of Lake St. Louis
Frequently Asked Questions About Lake St. Louis and its Water Temperatures
What is the current water temperature in Lake St. Louis?
The water temperature today in Lake St. Louis is 48°F (9.0°C).
What is the water temperature in Lake St. Louis during the summer months?
The average water temperature in Lake St. Louis during the summer months is typically between 55°F to 76°F (13°C to 24°C), and it can reach up to 81°F (27°C) at its warmest. However, in some years, the temperature may exceed this range.
What is the water temperature in Lake St. Louis in May?
The average water temperature in Lake St. Louis in May ranges from 37°F to 46°F (3°C to 8°C).
What is the water temperature in Lake St. Louis in September?
The average water temperature in Lake St. Louis in September is typically between 68°F to 77°F (20°C to 25°C).
Where is Lake St. Louis located?
Lake St. Louis is located in the United States in the state of New York, in the county of Franklin, at an elevation of 59 feet (18 meters) above sea level. The surface area of the lake is 26.367 sq mi (68.29 sq km).
Is it possible to swim in Lake St. Louis and what are the possibilities for this?
No, it is unfeasible to swim in Lake St. Louis as it is located in Quebec, Canada, not New York or Vermont. Hence, your coordinates may need to be reviewed for accuracy.
What are the coordinates of Lake St. Louis?
Lake St. Louis is located at coordinates 45.3970°N 73.8170°W.
Is Lake Lake St. Louis a popular vacation spot among Americans?
Lake St. Louis enjoys local popularity among the residents of State New York, and nationally, it ranks in the top 10 percent of all lakes in the country.