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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.

Tennessee River, United States
Tennessee River, United States © By Ɱ, CC BY-SA 4.0

Current Water Temperature

21.5°C
Today
20.9°C
Yesterday
22.2°C
A Week Ago
Get instant access to real-time water temperatures for this and all other locations with our iOS and Android apps.

Water Temperature in the Tennessee River today is 21.5°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

From May 10 to June 10

Table of Daily Sea Temperature Data

Date Current Average Forecast
JUN 322.4°C19.5°C
JUN 420.7°C19.5°C
JUN 520.7°C19.5°C
JUN 620.7°C19.5°C
JUN 720.9°C19.5°C
JUN 820.9°C19.5°C
JUN 1021.5°C19.5°C
JUN 1119.5°C21.4°C
JUN 1219.5°C21.3°C
JUN 1319.5°C21.2°C
JUN 1419.5°C21.1°C
JUN 1519.5°C21.0°C
JUN 1619.5°C20.9°C
JUN 1719.5°C20.8°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
January2°C6°C10°C
February3°C7°C11°C
March3°C9°C15°C
April5°C13°C21°C
May8°C16°C23°C
June14°C20°C25°C
July17°C20°C24°C
August17°C21°C24°C
September11°C17°C23°C
October8°C15°C22°C
November3°C11°C18°C
December6°C9°C12°C

Tennessee River: Water Temperature by Location

Tennessee River: Weather Forecast

June 9

° / °
moderate rain showers
rain: 63% | wind:

June 10

° / °
moderate rain showers
rain: 59% | wind:

June 11

° / °
moderate drizzle
rain: 37% | wind:

June 12

° / °
moderate drizzle
rain: 37% | wind:

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.

Nearby Rivers

Frequently Asked Questions

What is the current water temperature in the Tennessee River?
Water Temperature in the Tennessee River today is 21.5°C.
What is the water temperature in the Tennessee River during the summer months?
The water temperature in the Tennessee River in summer fluctuates in the range of 14°C - 25°C.
Is it possible to swim in the Tennessee River?
Yes, it is possible to swim in the Tennessee River. However, caution is advised due to potential safety risks such as strong currents and water pollution.