Wiley Creek near Foster, Oregon water temperature
Wiley Creek near Foster, Oregon · River
The current water temperature at Wiley Creek near Foster is 11.3 °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 290 data points since July 23, 2026.
Lowest recorded value: 11.0 °C on September 19, 2026 · highest value: 22.8 °C on July 23, 2026.
In September, temperatures have ranged between 11.0 °C and 17.7 °C.
The current value is 3.1 °C below the September average of this series.
Nearby waters
Frequently asked questions
Can you swim at Wiley Creek near Foster right now?
The current water temperature is 11.3 °C. See live swimming conditions, weather and quality in the BrrChecker app.
How warm is the water at Wiley Creek near Foster?
Currently 11.3 °C (updated continuously).
How warm is at Wiley Creek near Foster in September?
In September, the water temperature recently averaged 14.4 °C.
When is the water warmest at Wiley Creek near Foster?
Across the measurement record, July is on average the warmest month (18.4 °C).
