Arkansas River, Avondale, Colorado · River
The current water temperature at Arkansas River is 19.7 °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 432 data points since July 23, 2026.
Lowest recorded value: 18.3 °C on August 17, 2026 · highest value: 32.3 °C on July 27, 2026.
In September, temperatures have ranged between 18.9 °C and 29.9 °C.
The current value is 4.3 °C below the September average of this series.
Can you swim at Arkansas River right now?
The current water temperature is 19.7 °C. See live swimming conditions, weather and quality in the BrrChecker app.
How warm is the water at Arkansas River?
Currently 19.7 °C (updated continuously).
How warm is at Arkansas River in September?
In September, the water temperature recently averaged 24.0 °C.
When is the water warmest at Arkansas River?
Across the measurement record, July is on average the warmest month (25.6 °C).