Middle Fork Willamette River at Jasper, Oregon water temperature
Middle Fork Willamette River at Jasper, Oregon · River
The current water temperature at Middle Fork Willamette River at Jasper is 16.8 °C (as of September 20, 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.
Measurement series & statistics
This measurement series includes 449 data points since July 22, 2026.
Lowest recorded value: 14.7 °C on August 19, 2026 · highest value: 20.5 °C on August 12, 2026.
In September, temperatures have ranged between 15.0 °C and 20.1 °C.
The current value is 0.3 °C below the September average of this series.
Nearby waters
Frequently asked questions
Can you swim at Middle Fork Willamette River at Jasper 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 Middle Fork Willamette River at Jasper?
Currently 16.8 °C (updated continuously).
How warm is at Middle Fork Willamette River at Jasper in September?
In September, the water temperature recently averaged 17.1 °C.
When is the water warmest at Middle Fork Willamette River at Jasper?
Across the measurement record, August is on average the warmest month (17.2 °C).
