Clark Fork water temperature
Clark Fork, Paradise, Montana · River
The current water temperature at Clark Fork is 15.8 °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 275 data points since July 23, 2026.
Lowest recorded value: 13.8 °C on September 15, 2026 · highest value: 22.8 °C on July 25, 2026.
In September, temperatures have ranged between 13.8 °C and 17.8 °C.
The current value is 0.1 °C below the September average of this series.
Nearby waters
More measuring points: Clark Fork
Frequently asked questions
Can you swim at Clark Fork right now?
The current water temperature is 15.8 °C. See live swimming conditions, weather and quality in the BrrChecker app.
How warm is the water at Clark Fork?
Currently 15.8 °C (updated continuously).
How warm is at Clark Fork in September?
In September, the water temperature recently averaged 15.9 °C.
When is the water warmest at Clark Fork?
Across the measurement record, July is on average the warmest month (21.1 °C).
