Cooper River at U.s. HWY 17 at Charleston, South Carolina water temperature

Cooper River at U.s. HWY 17 at Charleston, South Carolina · River

The current water temperature at Cooper River at U.s. HWY 17 at Charleston is 29.4 °C (as of September 1, 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.

29.4 °C

Measured: September 1, 2026 · continuously updated

💧 Water 29.4° · ☀️ Air 26.5° · high today 30.4°

Temperature trend of recent weeks

Cooper River at U.s. HWY 17 at Charleston, South Carolina — Photo: Bas van Oorschot · CC BY-SA 3.0 · Wikimedia Commons

Measurement series & statistics

This measurement series includes 227 data points since July 8, 2026.

Lowest recorded value: 29.0 °C on August 30, 2026 · highest value: 31.5 °C on August 20, 2026.

Nearby waters

Atlantic, Charleston · 2.7 km away29.3 °C Atlantic, Charleston, Cooper River Entrance, SC · 2.7 km away29.2 °C Cooper River at S. Adgers Wharf at Charleston, South Carolina · 3.3 km away29.3 °C Wando River above Mt Pleasant, South Carolina · 6.4 km away29.6 °C Cooper River at Ports Authority Pier K Charleston, South Carolina · 7.1 km away29.8 °C

Frequently asked questions

Can you swim at Cooper River at U.s. HWY 17 at Charleston right now?
The current water temperature is 29.4 °C. See live swimming conditions, weather and quality in the BrrChecker app.

How warm is the water at Cooper River at U.s. HWY 17 at Charleston?
Currently 29.4 °C (updated continuously).

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