Johnson Creek water temperature
Johnson Creek, Milwaukie, Oregon · River
The current water temperature at Johnson Creek is 15.0 °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.
Measurement series & statistics
This measurement series includes 138 data points since July 23, 2026.
Lowest recorded value: 14.2 °C on September 3, 2026 · highest value: 20.2 °C on July 24, 2026.
In September, temperatures have ranged between 14.2 °C and 19.0 °C.
The current value is 0.9 °C below the September average of this series.
Nearby waters
More measuring points: Johnson Creek
Frequently asked questions
Can you swim at Johnson Creek right now?
The current water temperature is 15.0 °C. See live swimming conditions, weather and quality in the BrrChecker app.
How warm is the water at Johnson Creek?
Currently 15.0 °C (updated continuously).
How warm is at Johnson Creek in September?
In September, the water temperature recently averaged 15.9 °C.
When is the water warmest at Johnson Creek?
Across the measurement record, July is on average the warmest month (19.3 °C).
