Au Sable River near Curtisville, Michigan water temperature
Au Sable River near Curtisville, Michigan · River
The current water temperature at Au Sable River near Curtisville is 16.5 °C (as of September 20, 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.
Measurement series & statistics
This measurement series includes 366 data points since July 22, 2026.
Lowest recorded value: 16.4 °C on September 19, 2026 · highest value: 23.0 °C on August 8, 2026.
In September, temperatures have ranged between 16.4 °C and 19.6 °C.
The current value is 2.2 °C below the September average of this series.
Nearby waters
Frequently asked questions
Can you swim at Au Sable River near Curtisville right now?
The current water temperature is 16.5 °C. See live swimming conditions, weather and quality in the BrrChecker app.
How warm is the water at Au Sable River near Curtisville?
Currently 16.5 °C (updated continuously).
How warm is at Au Sable River near Curtisville in September?
In September, the water temperature recently averaged 18.7 °C.
When is the water warmest at Au Sable River near Curtisville?
Across the measurement record, July is on average the warmest month (21.4 °C).
