Russian River A Jimtown, California water temperature
Russian River A Jimtown, California · River
The current water temperature at Russian River A Jimtown is 19.0 °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 149 data points since July 22, 2026.
Lowest recorded value: 17.9 °C on September 4, 2026 · highest value: 22.9 °C on August 2, 2026.
In September, temperatures have ranged between 17.9 °C and 21.8 °C.
The current value is 0.8 °C below the September average of this series.
Nearby waters
Frequently asked questions
Can you swim at Russian River A Jimtown right now?
The current water temperature is 19.0 °C. See live swimming conditions, weather and quality in the BrrChecker app.
How warm is the water at Russian River A Jimtown?
Currently 19.0 °C (updated continuously).
How warm is at Russian River A Jimtown in September?
In September, the water temperature recently averaged 19.8 °C.
When is the water warmest at Russian River A Jimtown?
Across the measurement record, July is on average the warmest month (22.3 °C).
