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Chattahoochee River water temperature

Chattahoochee River, Fairburn, Georgia · River

The current water temperature at Chattahoochee River is 24.0 °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.

24.0 °C
Measured: September 21, 2026 · continuously updated
💧 Water 24.0° · ☀️ Air 20.4° · high today 31.7°
Temperature trend of recent weeks
Chattahoochee River
Photo: John Phelan · CC BY 4.0 · Wikimedia Commons

Measurement series & statistics

This measurement series includes 234 data points since July 23, 2026.

Lowest recorded value: 22.4 °C on July 25, 2026 · highest value: 27.8 °C on July 28, 2026.

In September, temperatures have ranged between 23.0 °C and 27.0 °C.

The current value is 1.0 °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 24.0 °C. See live swimming conditions, weather and quality in the BrrChecker app.

How warm is the water at Chattahoochee River?
Currently 24.0 °C (updated continuously).

How warm is at Chattahoochee River in September?
In September, the water temperature recently averaged 25.0 °C.

When is the water warmest at Chattahoochee River?
Across the measurement record, July is on average the warmest month (25.5 °C).

Open in the BrrChecker app

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