Klamath River above Fall C near Copco, California water temperature
Klamath River above Fall C near Copco, California · River
The current water temperature at Klamath River above Fall C near Copco is 17.5 °C (as of September 2, 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 174 data points since July 5, 2026.
Lowest recorded value: 17.5 °C on August 25, 2026 · highest value: 23.5 °C on August 7, 2026.
In September, temperatures have ranged between 17.5 °C and 19.7 °C.
The current value is 1.2 °C below the September average of this series.
Nearby waters
Frequently asked questions
Can you swim at Klamath River above Fall C near Copco right now?
The current water temperature is 17.5 °C. See live swimming conditions, weather and quality in the BrrChecker app.
How warm is the water at Klamath River above Fall C near Copco?
Currently 17.5 °C (updated continuously).
How warm is at Klamath River above Fall C near Copco in September?
In September, the water temperature recently averaged 18.7 °C.
When is the water warmest at Klamath River above Fall C near Copco?
Across the measurement record, July is on average the warmest month (21.1 °C).
