Chattahoochee River — Current Water Temperature, Annual Trends and Forecast
This page provides information on the current water temperature in the Chattahoochee River, trends, monthly ranges and the forecast for the coming days.
Current Water Temperature
Water Temperature in the Chattahoochee River today is 20.2°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 |
|---|---|---|---|
| APR 10 | 17.5°C | 13.0°C | |
| APR 11 | 17.5°C | 13.0°C | |
| APR 12 | 18.2°C | 13.0°C | |
| APR 13 | 19.4°C | 13.0°C | |
| APR 14 | 19.6°C | 13.0°C | |
| APR 15 | 18.9°C | 13.0°C | |
| APR 16 | 18.9°C | 13.0°C | |
| APR 17 | 20.0°C | 13.0°C | |
| APR 18 | 13.0°C | 19.8°C | |
| APR 19 | 13.0°C | 19.5°C | |
| APR 20 | 13.0°C | 19.1°C | |
| APR 21 | 13.0°C | 18.8°C | |
| APR 22 | 13.0°C | 18.4°C | |
| APR 23 | 13.0°C | 18.0°C | |
| APR 24 | 13.0°C | 17.7°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 | 3°C | 8°C | 14°C |
| February | 3°C | 8°C | 14°C |
| March | 3°C | 10°C | 17°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 | 22°C | 26°C |
| August | 17°C | 22°C | 27°C |
| September | 11°C | 18°C | 25°C |
| October | 8°C | 16°C | 24°C |
| November | 3°C | 13°C | 22°C |
| December | 9°C | 12°C | 15°C |
Chattahoochee River: Water Temperature by Location
Chattahoochee River: Weather Forecast
April 19
April 20
April 21
April 22
Location & Local Information
Source near Jacks Knob
• location: Blue Ridge Mountains, Chattahoochee National Forest, Georgia
• elevation 3,550 ft (1,080 m)
Mouth Apalachicola River
• location confluence with Flint River, near Jim Woodruff Dam
• elevation 75 ft (23 m)
Length 430 mi (690 km)
The Chattahoochee River, stretching over 430 miles from northern Georgia to the Gulf of Mexico, is a defining feature of the southeastern United States. Known for its scenic beauty and diverse ecosystems, the river also offers numerous opportunities for outdoor recreation, including swimming, tubing, and fishing. However, the safety and appeal of swimming in the Chattahoochee depend on both water temperature and quality, which vary by location and season.
Water temperatures in the Chattahoochee River can range widely, influenced by upstream releases from reservoirs like Lake Lanier. In summer, sections of the river near Atlanta can remain surprisingly cool, often in the 50s to 60s°F (10-20°C), due to cold water released from the depths of reservoirs. These temperatures can be refreshing but might feel chilly for prolonged swims. In contrast, shallower areas further downstream warm more in the summer sun, making them more inviting for casual swimming and tubing.
Swimming in the Chattahoochee is allowed in some designated areas but is generally discouraged in others due to strong currents, variable water levels, and occasional concerns about water quality, particularly after heavy rains. Popular spots like the Chattahoochee River National Recreation Area attract visitors for water-based activities, with safety guidelines in place to ensure an enjoyable experience. Whether cooling off in its gentle stretches or floating on a tube, the river offers a unique blend of adventure and natural tranquility.