Water Temperature of the Cooper River in Mount Pleasant, SC

Current Water Temperature

70.7°F

Measurement Time: Thursday, October 16, 2025, 1:15 AM EDT

Temperature Locations

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Local Points of Interest

Arthur Ravenel Jr Bridge; Mount Pleasant Pier; Mount Pleasant Memorial Waterfront Park; Drum Island; Charleston, SC

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Cooper River

Station Name: COOPER RIVER AT U.S. HWY 17 AT CHARLESTON, SC
Data Source: Water Data - usgc.gov

Elevation Above Sea Level: 0 feet / 0 meters

Nearest Address:
US Hwy 17
Mount Pleasant, SC 29464
Charleston County

GPS Coordinates: 32.80239835, -79.9100869

Nearby Water Temperatures

Cooper River, Charleston, SC (1.7 mi)
Cooper River, Charleston, SC (1.7 mi)
Cooper River, Charleston, SC (1.7 mi)
Wando River, Mount Pleasant, SC (4.0 mi)
Cooper River, North Charleston, SC (4.4 mi)
Cooper River, North Charleston, SC (6.8 mi)
Ashley River, North Charleston, SC (7.0 mi)
Wando River, Charleston, SC (9.6 mi)
Cooper River, Goose Creek, SC (12.5 mi)
Cooper River, Moncks Corner, SC (14.7 mi)
Ashley River, Summerville, SC (16.4 mi)
Atlantic Ocean, Isle of Palms, SC (16.9 mi)
Cooper River, Goose Creek, SC (17.7 mi)
Chicken Creek, Goose Creek, SC (17.8 mi)
West Branch Cooper River, Moncks Corner, SC (20.2 mi)

Weather for Mount Pleasant, South Carolina

Current Weather

59.2°F
Fog
Conditions: Fog
Humidity: 100%
Feels Like: 59.2°F
Wind: N 6 mph
Wind Gusts: 11.8 mph
Pressure: 29.96 in
Precipitation: 0 in
Cloud Cover: 0%
Visibility: 9 mi
UV Index: 0

Five Day Weather Forecast

Sunny
Thu
H: 75°F
L: 63°F
Sunny
Fri
H: 77°F
L: 59°F
Sunny
Sat
H: 80°F
L: 60°F
Sunny
Sun
H: 77°F
L: 66°F
Partly Cloudy
Mon
H: 80°F
L: 67°F

Air Quality

PM2.5: 7.85 μg/m3
PM10: 7.85 μg/m3
Carbon Monoxide: 188.85 μg/m3
Nitrogen Dioxide: 9.55 μg/m3
Sulphur Dioxide: 6.35 μg/m3
Ozone: 68 μg/m3

Astronomical

Sunrise: 7:25 AM
Sun Transit: 1:05 PM
Sunset: 6:45 PM
Daylight: 11 hrs 21 mins
Moonrise: 2:47 AM
Moon Transit: 9:40 AM
Moonset: 4:25 PM
Moon Phase: Last Quarter
Moon Illumination: 19.4%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
9:10 AM - 11:40 AM

Minor Periods

3:55 PM - 5:25 PM
2:17 AM - 3:47 AM

Action Rating: 2 out of 5

Thursday, October 16, 2025

Weather Forecast

Conditions: Sunny
Average Temperature: 68.1°F
Average Humidity: 75%
Chance of Rain: 0%
Wind: 9.6 mph
UV Index: 1.4

Air Quality

AQI: 1 - Good
PM2.5: 7.56 μg/m3
PM10: 7.59 μg/m3
Carbon Monoxide: 192.21 μg/m3
Nitrogen Dioxide: 9.21 μg/m3
Sulphur Dioxide: 6.31 μg/m3
Ozone: 83.68 μg/m3

Astronomical

Sunrise: 7:25 AM
Sun Transit: 1:05 PM
Sunset: 6:45 PM
Daylight: 11 hrs 21 mins
Moonrise: 2:47 AM
Moon Transit: 9:40 AM
Moonset: 4:25 PM
Moon Phase: Last Quarter
Moon Illumination: 19.4%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
9:10 AM - 11:40 AM

Minor Periods

3:55 PM - 5:25 PM
2:17 AM - 3:47 AM

Action Rating: 2 out of 5

Friday, October 17, 2025

Weather Forecast

Conditions: Sunny
Average Temperature: 67.1°F
Average Humidity: 47%
Chance of Rain: 0%
Wind: 7.8 mph
UV Index: 1.3

Air Quality

AQI: 1 - Good
PM2.5: 6.09 μg/m3
PM10: 6.31 μg/m3
Carbon Monoxide: 178.93 μg/m3
Nitrogen Dioxide: 8.23 μg/m3
Sulphur Dioxide: 5.34 μg/m3
Ozone: 91.76 μg/m3

Astronomical

Sunrise: 7:25 AM
Sun Transit: 1:04 PM
Sunset: 6:44 PM
Daylight: 11 hrs 19 mins
Moonrise: 3:48 AM
Moon Transit: 10:23 AM
Moonset: 4:52 PM
Moon Phase: Waning Crescent
Moon Illumination: 11.3%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
9:53 AM - 12:23 AM

Minor Periods

4:22 PM - 5:52 PM
3:18 AM - 4:48 AM

Action Rating: 2 out of 5

Saturday, October 18, 2025

Weather Forecast

Conditions: Sunny
Average Temperature: 68.1°F
Average Humidity: 56%
Chance of Rain: 0%
Wind: 8.5 mph
UV Index: 1.3

Air Quality

AQI: 1 - Good
PM2.5: 13.69 μg/m3
PM10: 14.04 μg/m3
Carbon Monoxide: 213.13 μg/m3
Nitrogen Dioxide: 16.35 μg/m3
Sulphur Dioxide: 6.25 μg/m3
Ozone: 90.2 μg/m3

Astronomical

Sunrise: 7:26 AM
Sun Transit: 1:04 PM
Sunset: 6:43 PM
Daylight: 11 hrs 17 mins
Moonrise: 4:46 AM
Moon Transit: 11:05 AM
Moonset: 5:16 PM
Moon Phase: Waning Crescent
Moon Illumination: 5.2%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
10:35 AM - 1:05 PM

Minor Periods

4:46 PM - 6:16 PM
4:16 AM - 5:46 AM

Action Rating: 3 out of 5

Sunday, October 19, 2025

Weather Forecast

Conditions: Sunny
Average Temperature: 70.3°F
Average Humidity: 70%
Chance of Rain: 0%
Wind: 11 mph
UV Index: 1.1

Air Quality

AQI: 1 - Good
PM2.5: 10.66 μg/m3
PM10: 12.8 μg/m3
Carbon Monoxide: 211.93 μg/m3
Nitrogen Dioxide: 14.25 μg/m3
Sulphur Dioxide: 4.34 μg/m3
Ozone: 88.31 μg/m3

Astronomical

Sunrise: 7:27 AM
Sun Transit: 1:04 PM
Sunset: 6:42 PM
Daylight: 11 hrs 15 mins
Moonrise: 5:42 AM
Moon Transit: 11:45 AM
Moonset: 5:41 PM
Moon Phase: Waning Crescent
Moon Illumination: 1.3%

Best Times for Fishing or Hunting

Major Periods

12:18 AM - 2:48 AM
11:15 AM - 1:45 PM

Minor Periods

5:11 PM - 6:41 PM
5:12 AM - 6:42 AM

Action Rating: 3 out of 5

Monday, October 20, 2025

Weather Forecast

Conditions: Partly Cloudy
Average Temperature: 71.7°F
Average Humidity: 76%
Chance of Rain: 0%
Wind: 10.3 mph
UV Index: 0

Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 7:28 AM
Sun Transit: 1:04 PM
Sunset: 6:41 PM
Daylight: 11 hrs 13 mins
Moonrise: 6:39 AM
Moon Transit: 12:25 AM
Moonset: 6:06 PM
Moon Phase: Waning Crescent
Moon Illumination: 0.0%

Best Times for Fishing or Hunting

Major Periods

12:58 AM - 3:28 AM
11:55 AM - 2:25 PM

Minor Periods

5:36 PM - 7:06 PM
6:09 AM - 7:39 AM

Action Rating: 4 out of 5

The times presented here are based upon the solunar theory, which is the idea that the movements of fish and other animals are affected by the location of the sun and moon. The major periods are believed to be the times of the greatest animal activity and occur when the moon is directly overhead or underfoot (lunar transits). The minor periods also see increased activity and occur when the moon is rising or setting. The strongest activity occurs during full or new moons, and the weakest during quarter or three quarter moons. This is indicated by the Action Rating.

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