Lost River at Olene, Oregon · River
The current water temperature at Lost River at Olene is 16.6 °C (as of September 2, 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.
Can you swim at Lost River at Olene right now?
The current water temperature is 16.6 °C. See live swimming conditions, weather and quality in the BrrChecker app.
How warm is the water at Lost River at Olene?
Currently 16.6 °C (updated continuously).