Chattanooga — Current Water Temperature, Annual Trends and Forecast
This page provides information on the current water temperature in Chattanooga, trends, monthly ranges and the forecast for the coming days.
Current Water Temperature
Water Temperature in Chattanooga today is 25.5°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 |
|---|---|---|---|
| SEP 14 | 25.8°C | 18.9°C | |
| SEP 15 | 25.9°C | 18.9°C | |
| SEP 16 | 25.2°C | 18.9°C | |
| SEP 17 | 25.7°C | 18.9°C | |
| SEP 18 | 25.8°C | 18.9°C | |
| SEP 19 | 25.8°C | 18.9°C | |
| SEP 20 | 25.6°C | 18.9°C | |
| SEP 22 | 18.9°C | 25.2°C | |
| SEP 23 | 18.9°C | 24.8°C | |
| SEP 24 | 18.9°C | 24.5°C | |
| SEP 25 | 18.9°C | 24.2°C | |
| SEP 26 | 18.9°C | 23.9°C | |
| SEP 27 | 18.9°C | 23.5°C | |
| SEP 28 | 18.9°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 | 16°C |
| April | 5°C | 13°C | 21°C |
| May | 8°C | 16°C | 24°C |
| June | 14°C | 20°C | 26°C |
| July | 17°C | 23°C | 29°C |
| August | 17°C | 22°C | 28°C |
| September | 11°C | 19°C | 27°C |
| October | 8°C | 15°C | 22°C |
| November | 3°C | 11°C | 18°C |
| December | 6°C | 6°C | 11°C |
Chattanooga: Weather Forecast
September 21
September 22
September 23
September 24
September 25
Location & Local Information
In Chattanooga, Tennessee, the Tennessee River plays a central role in both the city's natural beauty and recreational activities. The river's water temperature varies throughout the year but generally ranges between 40°F (4°C) in the winter months and 80°F to 85°F (27°C to 29°C) during the peak of summer. These summer temperatures are typically warm enough for comfortable swimming, but during spring and fall, the cooler temperatures may make the water feel a bit chilly, particularly in the mornings or during rainy spells.
While the Tennessee River offers a scenic backdrop for the city, it is important to note that swimming directly in the river is not as common as other water-based activities like boating, fishing, and kayaking. The river's current can be strong in certain sections, and water conditions can fluctuate depending on rainfall and dam activity upstream. For safety reasons, it is advisable to swim only in designated areas where the water is calmer and more controlled. The river is popular for boating and tubing, where visitors can float along at a leisurely pace.
In Chattanooga, there are also several parks and recreational areas along the river that are ideal for water activities. Coolidge Park and the nearby waterfront provide great opportunities for enjoying the river while staying on dry land. While swimming in the Tennessee River itself is not always ideal due to currents and water conditions, Chattanooga offers a wide range of ways to enjoy the water and the scenic beauty of the riverfront, including kayaking, paddleboarding, and taking boat tours along the water.