Au Sable River near Curtisville, Michigan · River
The current water temperature at Au Sable River near Curtisville is 18.2 °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.
This measurement series includes 353 data points since July 3, 2026.
Lowest recorded value: 18.1 °C on August 31, 2026 · highest value: 24.3 °C on July 14, 2026.
Can you swim at Au Sable River near Curtisville right now?
The current water temperature is 18.2 °C. See live swimming conditions, weather and quality in the BrrChecker app.
How warm is the water at Au Sable River near Curtisville?
Currently 18.2 °C (updated continuously).