Firehole River at Old Faithful, Ynp water temperature

Firehole River at Old Faithful, Ynp · River

The current water temperature at Firehole River at Old Faithful is 16.8 °C (as of August 26, 2026, source: USGS).

16.8 °C

Measured: August 26, 2026 · continuously updated

Nearby waters

Firehole River near West Yellowstone, Montana · 18.2 km away23.7 °C Gibbon River at Madison Jct, Ynp · 20.4 km away19.1 °C Madison River near West Yellowstone, Montana · 29.4 km away23.1 °C Tantalus Creek at Norris Junction, Ynp · 31.6 km away33.1 °C Snake River above Jackson Lake at Flagg Ranch, Wyoming · 41.9 km away18.4 °C

Frequently asked questions

Can you swim at Firehole River at Old Faithful right now?
The current water temperature is 16.8 °C. See live swimming conditions, weather and quality in the BrrChecker app.

How warm is the water at Firehole River at Old Faithful?
Currently 16.8 °C (updated continuously).

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