Arkansas River at Portland, Colorado water temperature

Arkansas River at Portland, Colorado · River

The current water temperature at Arkansas River at Portland is 19.6 °C (as of September 1, 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.

19.6 °C

Measured: September 1, 2026 · continuously updated

💧 Water 19.6° · ☀️ Air 17.5° · high today 28.3°

Temperature trend of recent weeks

Arkansas River at Portland, Colorado — Photo: Jeffrey Beall · CC BY-SA 3.0 · Wikimedia Commons

Measurement series & statistics

This measurement series includes 313 data points since July 3, 2026.

Lowest recorded value: 17.9 °C on August 31, 2026 · highest value: 27.8 °C on July 20, 2026.

In September, temperatures have ranged between 19.6 °C and 21.1 °C.

Nearby waters

Arkansas River at Canon City, Colorado · 21.6 km away19.0 °C Arkansas River above Pueblo, Colorado · 29.1 km away13.7 °C Fountain Creek near Pinon, Colorado · 36.7 km away18.6 °C Fountain Creek at Pueblo, Colorado · 37.9 km away19.1 °C Fountain Creek near Fountain, Colorado · 38.3 km away19.2 °C

Frequently asked questions

Can you swim at Arkansas River at Portland right now?
The current water temperature is 19.6 °C. See live swimming conditions, weather and quality in the BrrChecker app.

How warm is the water at Arkansas River at Portland?
Currently 19.6 °C (updated continuously).

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