Tennessee River — Current Water Temperature, Annual Trends and Forecast
This page provides information on the current water temperature in the Tennessee River, trends, monthly ranges and the forecast for the coming days.
Current Water Temperature
Water Temperature in the Tennessee River today is 24.9°C.
Water Temperature: Daily Trends, Historical Records, and Forecast
✅ As of today, the minimum water temperature ranges from 75°F (23°C) to 79°F (26°C). This is a very comfortable temperature for swimming, and many people can enjoy prolonged stays in the water without feeling cold. The water is pleasantly warm, making it ideal for relaxation and water sports. This temperature range is particularly popular among tourists, as it combines comfort and safety for health. 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.
Water Temperature Chart Over the Last 30 Days
Table of Daily Sea Temperature Data
| Date | Current | Average | Forecast |
|---|---|---|---|
| JUN 23 | 23.2°C | 19.5°C | |
| JUN 24 | 23.2°C | 19.5°C | |
| JUN 25 | 23.1°C | 19.5°C | |
| JUN 26 | 22.9°C | 19.5°C | |
| JUN 27 | 23.0°C | 19.5°C | |
| JUN 28 | 23.0°C | 19.5°C | |
| JUN 29 | 23.2°C | 19.5°C | |
| JUN 30 | 24.6°C | 19.5°C | |
| JUL 1 | 20.0°C | 24.7°C | |
| JUL 2 | 20.0°C | 24.4°C | |
| JUL 3 | 20.0°C | 24.2°C | |
| JUL 4 | 20.0°C | 23.9°C | |
| JUL 5 | 20.0°C | 23.7°C | |
| JUL 6 | 20.0°C | 23.4°C | |
| JUL 7 | 20.0°C | 23.2°C |
* Current - Actual water temperature value
** Average - Average water temperature on this day in recent years
*** Forecast - Our water temperature forecast
Actual nearshore water temperatures may fluctuate by several degrees from the reported values, especially following heavy rainfall or extended periods of strong winds. Certain wind patterns can cause colder, deeper waters to rise and replace the sun-warmed surface water, leading to noticeable variations.
Our forecast is based on a proprietary mathematical model that considers real-time water temperature changes, historical trends, key weather patterns, wind strength and direction, and air temperature specific to each region. Additionally, we incorporate data from other resorts to enhance accuracy.
Monthly Water Temperature Range (Min, Max & Average)
| Month | Min | Avg | Max |
|---|---|---|---|
| January | 2°C | 6°C | 10°C |
| February | 3°C | 7°C | 11°C |
| March | 3°C | 9°C | 15°C |
| April | 5°C | 13°C | 21°C |
| May | 8°C | 16°C | 23°C |
| June | 14°C | 20°C | 25°C |
| July | 17°C | 20°C | 24°C |
| August | 17°C | 21°C | 24°C |
| September | 11°C | 17°C | 23°C |
| October | 8°C | 15°C | 22°C |
| November | 3°C | 11°C | 18°C |
| December | 6°C | 9°C | 12°C |
Tennessee River: Water Temperature by Location
Tennessee River: Weather Forecast
July 1
July 2
July 3
July 4
July 5
Location & Local Information
Source Confluence of French Broad and Holston rivers at Knoxville
• elevation 813 ft (248 m)
Mouth Ohio River at Livingston / McCracken counties, near Paducah, Kentucky
• elevation 302 ft (92 m)
Length 652 mi (1,049 km)
The Tennessee River, stretching through several states including Tennessee, Alabama, and Kentucky, is a major waterway known for its large, wide sections and calm waters in many areas. The river's water temperature varies depending on the season, generally ranging from 50 to 80°F (10 to 27°C) during the year. In the warmer months, particularly from late spring to early fall, the water tends to be warmer, making it comfortable for swimming, especially in the slower-moving sections. In contrast, the water becomes much cooler in the winter, usually dropping to below 50°F (10°C), which makes swimming more challenging and less popular.
Swimming in the Tennessee River is a popular activity, particularly in its calmer, lake-like stretches, such as those near reservoirs and parks. Many people enjoy wading, swimming, or tubing in these areas during the summer, taking advantage of the pleasant water temperatures. While the river is generally safe for swimming in designated areas, it's important for swimmers to remain aware of potential hazards such as strong currents in deeper sections, sudden drop-offs, or watercraft traffic. Additionally, as with any large river, water quality can fluctuate, and it’s advisable to check for any advisories before swimming.
In addition to swimming, the Tennessee River is known for a variety of water-based activities such as fishing, boating, and kayaking. The river’s scenic beauty and accessibility make it a popular spot for outdoor recreation, offering a great mix of relaxation and adventure for those looking to enjoy the water. Whether for a quick swim or a leisurely float, the Tennessee River provides a refreshing environment, especially during the summer months.