Portage River water temperature
Portage River, Fifth Avenue at Three Rivers, Michigan · River
The current water temperature at Portage River is 12.5 °C (as of November 6, 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 524 data points since September 7, 2026.
Lowest recorded value: 10.6 °C on October 18, 2026 · highest value: 23.7 °C on September 12, 2026.
In November, temperatures have ranged between 12.5 °C and 16.9 °C.
The current value is 2.1 °C below the November average of this series.
Nearby waters
Frequently asked questions
Can you swim at Portage River right now?
The current water temperature is 12.5 °C. See live swimming conditions, weather and quality in the BrrChecker app.
How warm is the water at Portage River?
Currently 12.5 °C (updated continuously).
How warm is at Portage River in November?
In November, the water temperature recently averaged 14.6 °C.
When is the water warmest at Portage River?
Across the measurement record, September is on average the warmest month (19.6 °C).
