Cimarron River water temperature
Cimarron River, Cimarron Creek at Cimarron, Colorado · River
The current water temperature at Cimarron River is 10.5 °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 163 data points since July 23, 2026.
Lowest recorded value: 10.5 °C on September 21, 2026 · highest value: 27.3 °C on July 27, 2026.
In September, temperatures have ranged between 10.5 °C and 22.5 °C.
The current value is 6.1 °C below the September average of this series.
Nearby waters
Frequently asked questions
Can you swim at Cimarron River right now?
The current water temperature is 10.5 °C. See live swimming conditions, weather and quality in the BrrChecker app.
How warm is the water at Cimarron River?
Currently 10.5 °C (updated continuously).
How warm is at Cimarron River in September?
In September, the water temperature recently averaged 16.6 °C.
When is the water warmest at Cimarron River?
Across the measurement record, July is on average the warmest month (19.9 °C).
