South Branch Au Sable River near Luzerne, Michigan water temperature

South Branch Au Sable River near Luzerne, Michigan · River

The current water temperature at South Branch Au Sable River near Luzerne is 17.6 °C (as of August 31, 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.

17.6 °C

Measured: August 31, 2026 · continuously updated

💧 Water 17.6° · ☀️ Air 24.6° · high today 30.4°

Temperature trend of recent weeks

South Branch Au Sable River near Luzerne, Michigan — Photo: Kurt Schwoppe · CC BY-SA 3.0 · Wikimedia Commons

Measurement series & statistics

This measurement series includes 254 data points since July 3, 2026.

Lowest recorded value: 13.7 °C on August 28, 2026 · highest value: 23.5 °C on July 13, 2026.

Nearby waters

Nb Au Sable River at Kelloggs Branch near Lovells, Michigan · 11.7 km away18.3 °C Au Sable River near Red Oak, Michigan · 14.6 km away16.2 °C Au Sable River at Mio, Michigan · 26.2 km away17.9 °C Manistee River near Grayling, Michigan · 32.2 km away16.7 °C Au Sable River near Mc Kinley, Michigan · 48.9 km away18.6 °C

Frequently asked questions

Can you swim at South Branch Au Sable River near Luzerne right now?
The current water temperature is 17.6 °C. See live swimming conditions, weather and quality in the BrrChecker app.

How warm is the water at South Branch Au Sable River near Luzerne?
Currently 17.6 °C (updated continuously).

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