Madison River water temperature
Madison River, Cameron, Montana · River
The current water temperature at Madison River is 5.2 °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 541 data points since September 7, 2026.
Lowest recorded value: 3.7 °C on October 29, 2026 · highest value: 17.2 °C on September 7, 2026.
In November, temperatures have ranged between 4.4 °C and 8.0 °C.
The current value is 1.2 °C below the November average of this series.
Nearby waters
More measuring points: Madison River
Frequently asked questions
Can you swim at Madison River right now?
The current water temperature is 5.2 °C. See live swimming conditions, weather and quality in the BrrChecker app.
How warm is the water at Madison River?
Currently 5.2 °C (updated continuously).
How warm is at Madison River in November?
In November, the water temperature recently averaged 6.4 °C.
When is the water warmest at Madison River?
Across the measurement record, September is on average the warmest month (13.3 °C).
