Chattahoochee River water temperature
Chattahoochee River, Norcross, Georgia · River
The current water temperature at Chattahoochee River is 12.4 °C (as of September 21, 2026, source: USGS).
A river can change temperature within hours — snowmelt, rain or power-plant operations show up immediately. That is why the measured value counts here, not an estimate.
Measurement series & statistics
This measurement series includes 286 data points since July 23, 2026.
Lowest recorded value: 11.7 °C on August 4, 2026 · highest value: 23.3 °C on July 25, 2026.
In September, temperatures have ranged between 11.7 °C and 16.4 °C.
The current value is 1.3 °C below the September average of this series.
Nearby waters
More measuring points: Chattahoochee River
Frequently asked questions
Can you swim at Chattahoochee River right now?
The current water temperature is 12.4 °C. See live swimming conditions, weather and quality in the BrrChecker app.
How warm is the water at Chattahoochee River?
Currently 12.4 °C (updated continuously).
How warm is at Chattahoochee River in September?
In September, the water temperature recently averaged 13.7 °C.
When is the water warmest at Chattahoochee River?
Across the measurement record, July is on average the warmest month (16.2 °C).
