Snake River, Flat Creek, near Jackson, Wyoming · River
The current water temperature at Snake River is 12.1 °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.
This measurement series includes 158 data points since July 23, 2026.
Lowest recorded value: 11.8 °C on September 9, 2026 · highest value: 20.1 °C on July 26, 2026.
In September, temperatures have ranged between 11.8 °C and 17.8 °C.
The current value is 3.0 °C below the September average of this series.
Can you swim at Snake River right now?
The current water temperature is 12.1 °C. See live swimming conditions, weather and quality in the BrrChecker app.
How warm is the water at Snake River?
Currently 12.1 °C (updated continuously).
How warm is at Snake River in September?
In September, the water temperature recently averaged 15.1 °C.
When is the water warmest at Snake River?
Across the measurement record, July is on average the warmest month (19.3 °C).