Knoxville — Current Water Temperature, Annual Trends and Forecast
This page provides information on the current water temperature in Knoxville, trends, monthly ranges and the forecast for the coming days.
Current Water Temperature
Water Temperature in Knoxville today is 21.7°C.
Water Temperature: Daily Trends, Historical Records, and Forecast
✅ As of today, the minimum water temperature ranges from 68°F (20°C) to 74°F (23°C). The water is warm and pleasant for swimming, and in this range, one can stay in the water for extended periods without the risk of hypothermia. This is the ideal temperature for relaxation, swimming, and water sports. Families with children, as well as outdoor enthusiasts, will enjoy swimming and time spent in the water. For most people, this is the optimal temperature for a comfortable beach experience. 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 6 | 20.8°C | 19.0°C | |
| JUN 7 | 21.0°C | 19.0°C | |
| JUN 8 | 20.6°C | 19.0°C | |
| JUN 10 | 21.1°C | 19.0°C | |
| JUN 11 | 21.4°C | 19.0°C | |
| JUN 12 | 21.5°C | 19.0°C | |
| JUN 13 | 21.7°C | 19.0°C | |
| JUN 14 | 19.0°C | 21.6°C | |
| JUN 15 | 19.0°C | 21.4°C | |
| JUN 16 | 19.0°C | 21.3°C | |
| JUN 17 | 19.0°C | 21.2°C | |
| JUN 18 | 19.0°C | 21.0°C | |
| JUN 19 | 19.0°C | 20.9°C | |
| JUN 20 | 19.0°C | 20.8°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 | 5°C | 9°C |
| March | 3°C | 9°C | 15°C |
| April | 5°C | 12°C | 18°C |
| May | 8°C | 15°C | 23°C |
| June | 14°C | 19°C | 24°C |
| July | 17°C | 21°C | 25°C |
| August | 17°C | 21°C | 25°C |
| September | 11°C | 17°C | 23°C |
| October | 8°C | 15°C | 21°C |
| November | 3°C | 11°C | 18°C |
| December | 6°C | 6°C | 11°C |
Knoxville: Weather Forecast
June 13
June 14
June 15
June 16
Location & Local Information
In Knoxville, Tennessee, the Tennessee River runs through the city, offering both scenic views and various opportunities for water-based recreation. The river's water temperature fluctuates depending on the time of year. During the warmer months, typically from late spring through summer, the water temperature can reach around 75°F to 80°F (24°C to 27°C), which is comfortable for swimming. However, this can vary slightly based on weather conditions and the river’s flow. In the cooler months, particularly in the fall and winter, the temperature can drop significantly, reaching around 40°F to 50°F (4°C to 10°C), making swimming unsafe due to cold-water risks.
While the Tennessee River provides a pleasant setting for outdoor activities, swimming in the river is not as common as other recreational activities such as boating or fishing. The river's currents can vary, with some sections being quite fast-moving, which poses potential risks for swimmers. Knoxville's riverfront areas are better known for kayaking, paddleboarding, and enjoying the views along the riverbanks. Some designated areas, like parks along the river, may have calm sections of water suitable for casual water activities, but the lack of formal swimming zones makes it less popular as a swimming destination.
For those looking to swim in Knoxville, there are several local pools and water parks, such as the Knoxville Outdoor Pool, which offer a safer and more controlled environment for swimming. While the Tennessee River is beautiful and offers plenty of opportunities for other water activities, it's best to be cautious and choose safer alternatives when it comes to swimming in its waters.