Jefferson River water temperature

Jefferson River, Parsons Bdg near Silver Star, Montana · River

The current water temperature at Jefferson River is 5.8 °C (as of November 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.

5.8 °C

Measured: November 1, 2026 · continuously updated

💧 Water 5.8° · ☀️ Air 0.2° · high today 9.3°

Temperature trend of recent weeks

Measurement series & statistics

This measurement series includes 483 data points since September 7, 2026.

Lowest recorded value: 3.6 °C on October 12, 2026 · highest value: 17.8 °C on September 10, 2026.

In November, temperatures have ranged between 5.7 °C and 5.8 °C.

Nearby waters

Jefferson River, Twin Bridges, Montana · 18.6 km away4.5 °C Beaverhead River, Twin Bridges, Montana · 25.2 km away6.2 °C Big Hole River, Hamilton Ditch near Twin Bridges, Montana · 25.8 km away3.6 °C Ruby River, Twin Bridges, Montana · 29.0 km away6.9 °C Willow Creek, Harrison, Montana · 34.7 km away5.8 °C

More measuring points: Jefferson River

Three Forks, Montana4.9 °C Twin Bridges, Montana4.5 °C

Frequently asked questions

Can you swim at Jefferson River right now?
The current water temperature is 5.8 °C. See live swimming conditions, weather and quality in the BrrChecker app.

How warm is the water at Jefferson River?
Currently 5.8 °C (updated continuously).

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