Willow Lake Met Station,, Heppner, Oregon · River
The current water temperature at Willow Lake Met Station is 18.7 °C (as of September 21, 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.
This measurement series includes 138 data points since July 23, 2026.
Lowest recorded value: 17.2 °C on September 17, 2026 · highest value: 23.9 °C on July 24, 2026.
In September, temperatures have ranged between 17.2 °C and 20.7 °C.
Can you swim at Willow Lake Met Station right now?
The current water temperature is 18.7 °C. See live swimming conditions, weather and quality in the BrrChecker app.
How warm is the water at Willow Lake Met Station?
Currently 18.7 °C (updated continuously).
How warm is at Willow Lake Met Station in September?
In September, the water temperature recently averaged 18.7 °C.
When is the water warmest at Willow Lake Met Station?
Across the measurement record, July is on average the warmest month (23.5 °C).