Search for cities, countries, lakes and rivers
Rend Lake
© Ali Dibo
Rend Lake Current Water Temperature and Forecast
On this page, you will find comprehensive information about the water temperature in Rend 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
57°F
TODAY
57°F
YESTERDAY
56°F
A WEEK AGO
As of today, the minimum water temperature in the Rend Lake ranges from 54°F (12°C) to 60°F (15°C). The water is significantly warmer, and swimming becomes possible for most people. However, caution may still be required for prolonged stays in the water, as extended exposure can cause discomfort. This is a suitable temperature range for short swims and for those accustomed to cooler water. For more comfortable swimming, it is recommended to use proper gear.
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 Rend Lake Over the Last 30 Days
Today the water temperature in Rend Lake is higher than the same day in previous years. The water temperature range here in April is from 50°F to 61°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 Rend 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
| Date | Current | Average | Forecast |
|---|---|---|---|
| Apr 18 | 56°F | 55°F | |
| Apr 19 | 56°F | 55°F | |
| Apr 20 | 56°F | 55°F | |
| Apr 21 | 55°F | 55°F | |
| Apr 22 | 57°F | 55°F | |
| Apr 23 | 57°F | 55°F | |
| Apr 24 | 57°F | 55°F | |
| Apr 25 | 57°F | 55°F | |
| Apr 26 | 55°F | 57°F | |
| Apr 27 | 55°F | 57°F | |
| Apr 28 | 55°F | 57°F | |
| Apr 29 | 55°F | 57°F | |
| Apr 30 | 55°F | 57°F | |
| May 1 | 62°F | 57°F | |
| May 2 | 62°F | 58°F | |
| May 3 | 62°F | 58°F |
Water Temperature Ranges in Rend Lake by Month
January
| Minimum | Average | Maximum |
|---|---|---|
| 32°F | 37°F | 41°F |
February
| Minimum | Average | Maximum |
|---|---|---|
| 34°F | 39°F | 43°F |
March
| Minimum | Average | Maximum |
|---|---|---|
| 36°F | 46°F | 55°F |
April
| Minimum | Average | Maximum |
|---|---|---|
| 50°F | 55°F | 61°F |
May
| Minimum | Average | Maximum |
|---|---|---|
| 57°F | 62°F | 66°F |
June
| Minimum | Average | Maximum |
|---|---|---|
| 70°F | 74°F | 79°F |
July
| Minimum | Average | Maximum |
|---|---|---|
| 75°F | 80°F | 84°F |
August
| Minimum | Average | Maximum |
|---|---|---|
| 70°F | 75°F | 79°F |
September
| Minimum | Average | Maximum |
|---|---|---|
| 73°F | 78°F | 82°F |
October
| Minimum | Average | Maximum |
|---|---|---|
| 68°F | 72°F | 77°F |
November
| Minimum | Average | Maximum |
|---|---|---|
| 45°F | 49°F | 54°F |
December
| Minimum | Average | Maximum |
|---|---|---|
| 39°F | 43°F | 48°F |
Monthly Water Temperature Histogram for Rend Lake
Known Beaches in the Area of Rend Lake?
North Marcum Beach
North Marcum Beach is a 1-stars sandy beach, located in a 6 km (4 miles) radius of Rend Lake.
Rend Lake Weather
APRIL 26
50°F / 72°F
dense intensity drizzlerain: 77% | wind: 14 mph
APRIL 27
46°F / 68°F
overcastrain: 7% | wind: 12 mph
APRIL 28
54°F / 77°F
overcastrain: 9% | wind: 14 mph
APRIL 29
66°F / 79°F
overcastrain: 39% | wind: 20 mph
Water Temperature in Rend Lake: General Trends and Swimming Opportunities
Rend Lake is located in the state of Illinois, in the counties of Franklin, Jefferson, at an elevation of 390 feet (119 meters) above sea level.
Rend Lake is a medium lake. Its surface area is 26.7 sq mi (69.0 sq km). Typically versatile lakes with developed ecosystems; popular for water sports and tourism.
The water temperature in Rend Lake varies throughout the year, ranging from 32°F (0°C) in January to 84°F (29°C) in July. The average annual water temperature of the lake is 59°F (15°C). The months when the average water temperature in Rend Lake exceeds 68 degrees Fahrenheit (20°C) are June, July, August, September and October.
The nearest cities ans towns to Rend Lake are: Ina, Sesser, Benton, Christopher, Mount Vernon, West Frankfort, Zeigler, Du Quoin, Royalton, Johnston City in Illinois.
Geographical Location of Rend Lake
Nearby Lakes
Frequently Asked Questions About Rend Lake and its Water Temperatures
What is the current water temperature in Rend Lake?
The water temperature today in Rend Lake is 57°F (13.8°C).
What is the water temperature in Rend Lake during the summer months?
The average water temperature in Rend Lake during the summer months is typically between 74°F to 80°F (23°C to 27°C), and it can reach up to 84°F (29°C) at its warmest. However, in some years, the temperature may exceed this range.
What is the water temperature in Rend Lake in May?
The average water temperature in Rend Lake in May ranges from 57°F to 66°F (14°C to 19°C).
What is the water temperature in Rend Lake in September?
The average water temperature in Rend Lake in September is typically between 73°F to 82°F (23°C to 28°C).
Where is Rend Lake located?
Rend Lake is located in the United States in the state of Illinois, in the counties of Franklin, Jefferson, at an elevation of 390 feet (119 meters) above sea level. The surface area of the lake is 26.659 sq mi (69.05 sq km).
Is it possible to swim in Rend Lake and what are the possibilities for this?
Yes, it is possible to swim in Rend Lake, Illinois. There are designated swimming areas in the lake, namely South Sandusky Beach and North Marcum Day-Use Area.
What are the coordinates of Rend Lake?
Rend Lake is located at coordinates 38.1110°N 88.9670°W.
Is Lake Rend Lake a popular vacation spot among Americans?
Rend Lake is quite popular among Americans and ranks among the top 500 lakes in the United States.
What species of fish can be found in Rend Lake?
Rend Lake is home to fish species such as Largemouth bass (best caught in Spring, Fall), White crappie (Spring, Fall), Bluegill (Spring, Summer), Channel catfish (Spring, Summer), Flathead catfish (Spring, Summer), Black crappie (Spring, Fall), Walleye (Spring, Fall), Yellow bass (Spring, Summer), Gar (Summer), Freshwater drum (Summer).