Cooper River water temperature
Cooper River, Ports Authority Pier K Charleston, South Carolina · River
The current water temperature at Cooper River is 20.9 °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 525 data points since September 7, 2026.
Lowest recorded value: 19.4 °C on October 27, 2026 · highest value: 30.6 °C on September 14, 2026.
In November, temperatures have ranged between 19.6 °C and 20.9 °C.
The current value is 0.8 °C above the November average of this series.
Nearby waters
More measuring points: Cooper River
Frequently asked questions
Can you swim at Cooper River right now?
The current water temperature is 20.9 °C. See live swimming conditions, weather and quality in the BrrChecker app.
How warm is the water at Cooper River?
Currently 20.9 °C (updated continuously).
How warm is at Cooper River in November?
In November, the water temperature recently averaged 20.1 °C.
When is the water warmest at Cooper River?
Across the measurement record, September is on average the warmest month (28.4 °C).
