Blackfoot River near Bonner, Montana water temperature
Blackfoot River near Bonner, Montana · River
The current water temperature at Blackfoot River near Bonner is 15.3 °C (as of September 1, 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 161 data points since July 3, 2026.
Lowest recorded value: 13.4 °C on August 31, 2026 · highest value: 21.7 °C on July 25, 2026.
In September, temperatures have ranged between 15.3 °C and 16.2 °C.
The current value is 0.4 °C below the September average of this series.
Nearby waters
Frequently asked questions
Can you swim at Blackfoot River near Bonner right now?
The current water temperature is 15.3 °C. See live swimming conditions, weather and quality in the BrrChecker app.
How warm is the water at Blackfoot River near Bonner?
Currently 15.3 °C (updated continuously).
How warm is at Blackfoot River near Bonner in September?
In September, the water temperature recently averaged 15.7 °C.
When is the water warmest at Blackfoot River near Bonner?
Across the measurement record, July is on average the warmest month (18.9 °C).
