Klamath River water temperature
Klamath River, Klamath, California · River
The current water temperature at Klamath River is 11.5 °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 518 data points since September 7, 2026.
Lowest recorded value: 10.8 °C on November 4, 2026 · highest value: 20.4 °C on September 11, 2026.
In November, temperatures have ranged between 10.8 °C and 12.4 °C.
Nearby waters
More measuring points: Klamath River
Frequently asked questions
Can you swim at Klamath River right now?
The current water temperature is 11.5 °C. See live swimming conditions, weather and quality in the BrrChecker app.
How warm is the water at Klamath River?
Currently 11.5 °C (updated continuously).
How warm is at Klamath River in November?
In November, the water temperature recently averaged 11.5 °C.
When is the water warmest at Klamath River?
Across the measurement record, September is on average the warmest month (18.9 °C).
