Chattahoochee River.18 Mi Us Willeo Creek, Roswell, Georgia water temperature
Chattahoochee River.18 Mi Us Willeo Creek, Roswell, Georgia · River
The current water temperature at Chattahoochee River.18 Mi Us Willeo Creek is 17.4 °C (as of September 4, 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 120 data points since July 7, 2026.
Lowest recorded value: 15.4 °C on September 1, 2026 · highest value: 24.9 °C on July 25, 2026.
In September, temperatures have ranged between 15.4 °C and 19.7 °C.
The current value is 0.8 °C below the September average of this series.
Nearby waters
Frequently asked questions
Can you swim at Chattahoochee River.18 Mi Us Willeo Creek right now?
The current water temperature is 17.4 °C. See live swimming conditions, weather and quality in the BrrChecker app.
How warm is the water at Chattahoochee River.18 Mi Us Willeo Creek?
Currently 17.4 °C (updated continuously).
How warm is at Chattahoochee River.18 Mi Us Willeo Creek in September?
In September, the water temperature recently averaged 18.2 °C.
When is the water warmest at Chattahoochee River.18 Mi Us Willeo Creek?
Across the measurement record, July is on average the warmest month (20.3 °C).
