Chattahoochee River 0.39 Mi Ds GA140, Alpharetta, Georgia water temperature
Chattahoochee River 0.39 Mi Ds GA140, Alpharetta, Georgia · River
The current water temperature at Chattahoochee River 0.39 Mi Ds GA140 is 15.0 °C (as of September 1, 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 207 data points since July 3, 2026.
Lowest recorded value: 13.2 °C on August 8, 2026 · highest value: 23.4 °C on July 25, 2026.
In September, temperatures have ranged between 14.2 °C and 15.0 °C.
The current value is 0.5 °C above the September average of this series.
Nearby waters
Frequently asked questions
Can you swim at Chattahoochee River 0.39 Mi Ds GA140 right now?
The current water temperature is 15.0 °C. See live swimming conditions, weather and quality in the BrrChecker app.
How warm is the water at Chattahoochee River 0.39 Mi Ds GA140?
Currently 15.0 °C (updated continuously).
How warm is at Chattahoochee River 0.39 Mi Ds GA140 in September?
In September, the water temperature recently averaged 14.5 °C.
When is the water warmest at Chattahoochee River 0.39 Mi Ds GA140?
Across the measurement record, July is on average the warmest month (16.7 °C).
