South Boulder Creek water temperature
South Boulder Creek, Forebay near Eldorado Springs, Colorado · River
The current water temperature at South Boulder Creek is 13.7 °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.
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Measurement series & statistics
This measurement series includes 197 data points since July 23, 2026.
Lowest recorded value: 9.7 °C on August 3, 2026 · highest value: 18.1 °C on September 7, 2026.
In September, temperatures have ranged between 13.7 °C and 18.1 °C.
The current value is 2.0 °C below the September average of this series.
Nearby waters
Frequently asked questions
Can you swim at South Boulder Creek right now?
The current water temperature is 13.7 °C. See live swimming conditions, weather and quality in the BrrChecker app.
How warm is the water at South Boulder Creek?
Currently 13.7 °C (updated continuously).
How warm is at South Boulder Creek in September?
In September, the water temperature recently averaged 15.7 °C.
When is the water warmest at South Boulder Creek?
Across the measurement record, September is on average the warmest month (15.7 °C).
