Grand Lake Outlet water temperature
Grand Lake Outlet, Chipmunk Ln at Grand Lake, Colorado · River
The current water temperature at Grand Lake Outlet is 14.8 °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 439 data points since July 23, 2026.
Lowest recorded value: 14.8 °C on September 21, 2026 · highest value: 21.2 °C on July 25, 2026.
In September, temperatures have ranged between 14.8 °C and 18.9 °C.
The current value is 1.8 °C below the September average of this series.
Nearby waters
Frequently asked questions
Can you swim at Grand Lake Outlet right now?
The current water temperature is 14.8 °C. See live swimming conditions, weather and quality in the BrrChecker app.
How warm is the water at Grand Lake Outlet?
Currently 14.8 °C (updated continuously).
How warm is at Grand Lake Outlet in September?
In September, the water temperature recently averaged 16.6 °C.
When is the water warmest at Grand Lake Outlet?
Across the measurement record, July is on average the warmest month (18.8 °C).
