Chattahoochee River above Roswell, Georgia water temperature
Chattahoochee River above Roswell, Georgia · River
The current water temperature at Chattahoochee River above Roswell is 15.6 °C (as of September 3, 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.
.jpg){kind=link}
Measurement series & statistics
This measurement series includes 140 data points since July 6, 2026.
Lowest recorded value: 14.5 °C on September 1, 2026 · highest value: 23.1 °C on July 25, 2026.
In September, temperatures have ranged between 14.5 °C and 17.6 °C.
The current value is 0.4 °C below the September average of this series.
Nearby waters
Frequently asked questions
Can you swim at Chattahoochee River above Roswell right now?
The current water temperature is 15.6 °C. See live swimming conditions, weather and quality in the BrrChecker app.
How warm is the water at Chattahoochee River above Roswell?
Currently 15.6 °C (updated continuously).
How warm is at Chattahoochee River above Roswell in September?
In September, the water temperature recently averaged 16.0 °C.
When is the water warmest at Chattahoochee River above Roswell?
Across the measurement record, July is on average the warmest month (17.6 °C).
