James River water temperature
James River, Cartersville, Virginia · River
The current water temperature at James River is 27.1 °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 83 data points since August 27, 2026.
Lowest recorded value: 25.4 °C on September 9, 2026 · highest value: 32.1 °C on September 4, 2026.
In September, temperatures have ranged between 25.4 °C and 32.1 °C.
The current value is 2.0 °C below the September average of this series.
Nearby waters
Frequently asked questions
Can you swim at James River right now?
The current water temperature is 27.1 °C. See live swimming conditions, weather and quality in the BrrChecker app.
How warm is the water at James River?
Currently 27.1 °C (updated continuously).
How warm is at James River in September?
In September, the water temperature recently averaged 29.1 °C.
