Powder River water temperature
Powder River, Locate, Montana · River
The current water temperature at Powder River is 15.4 °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 157 data points since July 23, 2026.
Lowest recorded value: 8.0 °C on August 31, 2026 · highest value: 37.4 °C on July 25, 2026.
In September, temperatures have ranged between 8.7 °C and 28.3 °C.
The current value is 4.1 °C below the September average of this series.
Nearby waters
Frequently asked questions
Can you swim at Powder River right now?
The current water temperature is 15.4 °C. See live swimming conditions, weather and quality in the BrrChecker app.
How warm is the water at Powder River?
Currently 15.4 °C (updated continuously).
How warm is at Powder River in September?
In September, the water temperature recently averaged 19.5 °C.
When is the water warmest at Powder River?
Across the measurement record, July is on average the warmest month (25.8 °C).
