Bitterroot River near Darby, Montana water temperature
Bitterroot River near Darby, Montana · River
The current water temperature at Bitterroot River near Darby is 16.6 °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 262 data points since July 3, 2026.
Lowest recorded value: 11.8 °C on August 5, 2026 · highest value: 21.4 °C on July 25, 2026.
In September, temperatures have ranged between 16.6 °C and 17.9 °C.
The current value is 0.7 °C below the September average of this series.
Nearby waters
Frequently asked questions
Can you swim at Bitterroot River near Darby right now?
The current water temperature is 16.6 °C. See live swimming conditions, weather and quality in the BrrChecker app.
How warm is the water at Bitterroot River near Darby?
Currently 16.6 °C (updated continuously).
How warm is at Bitterroot River near Darby in September?
In September, the water temperature recently averaged 17.3 °C.
When is the water warmest at Bitterroot River near Darby?
Across the measurement record, September is on average the warmest month (17.3 °C).
