Yellowstone River water temperature
Yellowstone River, Livingston, Montana · River
The current water temperature at Yellowstone River is 14.6 °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 230 data points since July 23, 2026.
Lowest recorded value: 12.4 °C on September 9, 2026 · highest value: 23.2 °C on July 25, 2026.
In September, temperatures have ranged between 12.4 °C and 18.5 °C.
The current value is 1.0 °C below the September average of this series.
Nearby waters
More measuring points: Yellowstone River
Frequently asked questions
Can you swim at Yellowstone River right now?
The current water temperature is 14.6 °C. See live swimming conditions, weather and quality in the BrrChecker app.
How warm is the water at Yellowstone River?
Currently 14.6 °C (updated continuously).
How warm is at Yellowstone River in September?
In September, the water temperature recently averaged 15.6 °C.
When is the water warmest at Yellowstone River?
Across the measurement record, July is on average the warmest month (21.0 °C).
