The current water temperature at Clark Fork is 13.0 °C (as of October 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.
13.0 °C
Measured: October 1, 2026 · continuously updated
💧 Water 13.0° · ☀️ Air -1.0° · high today 10.1°
Temperature trend of recent weeks
Measurement series & statistics
This measurement series includes 185 data points since September 7, 2026.
Lowest recorded value: 12.0 °C on September 30, 2026 · highest value: 16.5 °C on September 12, 2026.
Can you swim at Clark Fork right now? The current water temperature is 13.0 °C. See live swimming conditions, weather and quality in the BrrChecker app.
How warm is the water at Clark Fork? Currently 13.0 °C (updated continuously).