Willamette River at Harrisburg, Oregon · River
The current water temperature at Willamette River at Harrisburg is 18.9 °C (as of July 17, 2026, source: USGS).
Can you swim at Willamette River at Harrisburg right now?
The current water temperature is 18.9 °C. See live swimming conditions, weather and quality in the BrrChecker app.
How warm is the water at Willamette River at Harrisburg?
Currently 18.9 °C (updated continuously).
How warm is at Willamette River at Harrisburg in July?
In July, the water temperature recently averaged 19.5 °C.