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Colorado River water temperature

Colorado River, Little Colorado River near Desert View · River

The current water temperature at Colorado River is 21.8 °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.

21.8 °C
Measured: September 21, 2026 · continuously updated
💧 Water 21.8° · ☀️ Air 16.9° · high today 26.9°
Temperature trend of recent weeks
Colorado River
Photo: Nate Loper from Flagstaff, AZ, USA · CC BY 2.0 · Wikimedia Commons

Measurement series & statistics

This measurement series includes 438 data points since July 23, 2026.

Lowest recorded value: 20.7 °C on August 15, 2026 · highest value: 23.1 °C on August 21, 2026.

In September, temperatures have ranged between 20.8 °C and 22.5 °C.

The current value is 0.1 °C above the September average of this series.

Nearby waters

More measuring points: Colorado River

Frequently asked questions

Can you swim at Colorado River right now?
The current water temperature is 21.8 °C. See live swimming conditions, weather and quality in the BrrChecker app.

How warm is the water at Colorado River?
Currently 21.8 °C (updated continuously).

How warm is at Colorado River in September?
In September, the water temperature recently averaged 21.7 °C.

When is the water warmest at Colorado River?
Across the measurement record, August is on average the warmest month (21.9 °C).

Open in the BrrChecker app

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