Rainy River at Manitou Rapids, Minnesota · River
The current water temperature at Rainy River at Manitou Rapids is 24.3 °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.
This measurement series includes 495 data points since July 3, 2026.
Lowest recorded value: 18.9 °C on August 23, 2026 · highest value: 30.3 °C on July 13, 2026.
Can you swim at Rainy River at Manitou Rapids right now?
The current water temperature is 24.3 °C. See live swimming conditions, weather and quality in the BrrChecker app.
How warm is the water at Rainy River at Manitou Rapids?
Currently 24.3 °C (updated continuously).