St. Louis River at Scanlon, Minnesota water temperature

St. Louis River at Scanlon, Minnesota · River

The current water temperature at St. Louis River at Scanlon is 22.6 °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.

22.6 °C

Measured: September 1, 2026 · continuously updated

💧 Water 22.6° · ☀️ Air 23.7° · high today 26.3°

Temperature trend of recent weeks

St. Louis River at Scanlon, Minnesota — Photo: usepagov · Public domain · Wikimedia Commons

Measurement series & statistics

This measurement series includes 495 data points since July 3, 2026.

Lowest recorded value: 21.2 °C on August 31, 2026 · highest value: 29.3 °C on July 15, 2026.

Nearby waters

Lake Superior, Duluth · 26.1 km away17.8 °C Lake Superior, Wisconsin Point · 31.2 km away19.1 °C Lake Superior, Western Lake Superior · 34.8 km away17.1 °C Lake Superior, McQuade Harbor Nearshore, MN · 41.1 km away16.8 °C Lake Superior, Duluth-Offshore Buoy(LLO2) · 45.6 km away18.8 °C

Frequently asked questions

Can you swim at St. Louis River at Scanlon right now?
The current water temperature is 22.6 °C. See live swimming conditions, weather and quality in the BrrChecker app.

How warm is the water at St. Louis River at Scanlon?
Currently 22.6 °C (updated continuously).

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