Snake River water temperature
Snake River, Weiser, Idaho · River
The current water temperature at Snake River is 18.1 °C (as of September 21, 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 414 data points since July 23, 2026.
Lowest recorded value: 16.5 °C on September 7, 2026 · highest value: 27.9 °C on July 26, 2026.
In September, temperatures have ranged between 16.5 °C and 21.9 °C.
The current value is 0.7 °C below the September average of this series.
Nearby waters
More measuring points: Snake River
Frequently asked questions
Can you swim at Snake River right now?
The current water temperature is 18.1 °C. See live swimming conditions, weather and quality in the BrrChecker app.
How warm is the water at Snake River?
Currently 18.1 °C (updated continuously).
How warm is at Snake River in September?
In September, the water temperature recently averaged 18.8 °C.
When is the water warmest at Snake River?
Across the measurement record, July is on average the warmest month (25.5 °C).
