Bighorn River water temperature
Bighorn River, bridge, at St. Xavier, Montana · River
The current water temperature at Bighorn River is 11.2 °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 271 data points since July 23, 2026.
Lowest recorded value: 9.2 °C on August 19, 2026 · highest value: 15.7 °C on August 24, 2026.
In September, temperatures have ranged between 9.8 °C and 15.1 °C.
The current value is 1.4 °C below the September average of this series.
Nearby waters
Frequently asked questions
Can you swim at Bighorn River right now?
The current water temperature is 11.2 °C. See live swimming conditions, weather and quality in the BrrChecker app.
How warm is the water at Bighorn River?
Currently 11.2 °C (updated continuously).
How warm is at Bighorn River in September?
In September, the water temperature recently averaged 12.6 °C.
When is the water warmest at Bighorn River?
Across the measurement record, August is on average the warmest month (12.7 °C).
