Gallatin River water temperature

Gallatin River, Logan, Montana · River

The current water temperature at Gallatin River is 13.4 °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.

13.4 °C

Measured: October 1, 2026 · continuously updated

💧 Water 13.4° · ☀️ Air -1.9° · high today 11.6°

Temperature trend of recent weeks

Measurement series & statistics

This measurement series includes 173 data points since September 7, 2026.

Lowest recorded value: 9.1 °C on September 28, 2026 · highest value: 18.2 °C on September 7, 2026.

Nearby waters

Jefferson River, Three Forks, Montana · 12.0 km away4.9 °C Missouri River, Toston, Montana · 29.0 km away5.0 °C Willow Creek, Harrison, Montana · 29.4 km away5.8 °C Madison River, Norris, Montana · 32.6 km away4.8 °C Madison River, Ennis Lake near McAllister, Montana · 46.5 km away5.7 °C

More measuring points: Gallatin River

Deer Creek, near Big Sky, Montana5.8 °C

Frequently asked questions

Can you swim at Gallatin River right now?
The current water temperature is 13.4 °C. See live swimming conditions, weather and quality in the BrrChecker app.

How warm is the water at Gallatin River?
Currently 13.4 °C (updated continuously).

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