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 26.7°C.
Water Temperature: Daily Trends, Historical Records, and Forecast
✅ As of today, the minimum water temperature ranges from 79°F (26°C) to 82°F (28°C). This is very warm water, allowing for extended stays without any discomfort. Swimming in these conditions will be particularly enjoyable, making it the ideal temperature range for those who want to relax in the sea. Additionally, water in this temperature range is suitable for children and elderly people, as it is comfortable for prolonged stays. 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 |
|---|---|---|---|
| JUL 14 | 25.9°C | 22.7°C | |
| JUL 15 | 28.3°C | 22.7°C | |
| JUL 16 | 27.5°C | 22.7°C | |
| JUL 17 | 27.5°C | 22.7°C | |
| JUL 18 | 26.3°C | 22.7°C | |
| JUL 19 | 26.3°C | 22.7°C | |
| JUL 20 | 26.4°C | 22.7°C | |
| JUL 21 | 26.4°C | 22.7°C | |
| JUL 22 | 22.7°C | 26.5°C | |
| JUL 23 | 22.7°C | 26.3°C | |
| JUL 24 | 22.7°C | 26.1°C | |
| JUL 25 | 22.7°C | 25.9°C | |
| JUL 26 | 22.7°C | 25.7°C | |
| JUL 27 | 22.7°C | 25.5°C | |
| JUL 28 | 22.7°C | 25.3°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 | 23°C | 29°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
July 22
July 23
July 24
July 25
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.