Water Temperature of the Cooper River in Mount Pleasant, SC

Current Water Temperature

86.7°F

Measurement Time: Monday, July 6, 2026, 4:15 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

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

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 mi)
Cooper River, North Charleston, SC (4.4 mi)
Cooper River, North Charleston, SC (6.8 mi)
Ashley River, North Charleston, SC (7 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

84.4°F
Sunny
Sunny
94.4°F
90.3°F
84%
WSW 8.1 mph
11.5 mph
82.6°F
75.4°F
0 in
25%
8 mi
1016 mbar
0.8

Five Day Weather Forecast

Sunny
Mon
H: 94°F
L: 80°F
Patchy rain nearby
Tue
H: 91°F
L: 80°F
Sunny
Wed
H: 92°F
L: 80°F
Sunny
Thu
H: 93°F
L: 80°F
Sunny
Fri
H: 93°F
L: 80°F

Air Quality

AQI: 1 - Good
PM2.5: 5.4 μg/m3
PM10: 5.9 μg/m3
Carbon Monoxide: 121 μg/m3
Nitrogen Dioxide: 3.2 μg/m3
Sulphur Dioxide: 0.8 μg/m3
Ozone: 58 μg/m3

Astronomical

Sunrise: 6:18 AM
Sun Transit: 1:24 PM
Sunset: 8:32 PM
Daylight: 14 hrs 14 mins
Moonrise: 1:00 AM
Moon Transit: 1:15 PM
Moonset: 12:26 AM
Moon Phase: Last Quarter
Moon Illumination: 48.6%

Best Times for Fishing or Hunting

Major Periods

12:45 AM - 3:15 PM
12:45 AM - 3:15 PM

Minor Periods

11:56 AM - 1:26 PM
12:00 AM - 12:00 AM

Action Rating: 2 out of 5

Heat Advisory issued July 6 at 7:07AM EDT until July 6 at 7:00PM EDT by NWS Charleston SC

Effective: Mon July 6, 2026, 7:07 AM
Expires: Mon July 6, 2026, 3:15 PM

* WHAT...Heat index values up to 110 expected. * WHERE...Beaufort, Charleston, Coastal Colleton, Coastal Jasper, Inland Berkeley, and Tidal Berkeley Counties. * WHEN...From 11 AM this morning to 7 PM EDT this evening. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses.

Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors.


Heat Advisory issued July 6 at 2:16AM EDT until July 6 at 7:00PM EDT by NWS Charleston SC

Effective: Mon July 6, 2026, 2:16 AM
Expires: Mon July 6, 2026, 10:30 AM

* WHAT...Heat index values up to 110 expected. * WHERE...Beaufort, Charleston, Coastal Colleton, Coastal Jasper, Inland Berkeley, and Tidal Berkeley Counties. * WHEN...From 11 AM this morning to 7 PM EDT this evening. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses.

Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors.
Monday, July 6, 2026

Weather Forecast

Sunny
94.3°F
80.1°F
85.6°F
74%
0.03 in
40%
0%
16.8 mph
10.3


Air Quality

AQI: 1 - Good
PM2.5: 5.56 μg/m3
PM10: 6.89 μg/m3
Carbon Monoxide: 113.67 μg/m3
Nitrogen Dioxide: 2.33 μg/m3
Sulphur Dioxide: 0.66 μg/m3
Ozone: 77.04 μg/m3

Astronomical

Sunrise: 6:18 AM
Sun Transit: 1:24 PM
Sunset: 8:32 PM
Daylight: 14 hrs 14 mins
Moonrise: 1:00 AM
Moon Transit: 1:15 PM
Moonset: 12:26 AM
Moon Phase: Last Quarter
Moon Illumination: 48.6%

Best Times for Fishing or Hunting

Major Periods

12:45 AM - 3:15 PM
12:45 AM - 3:15 PM

Minor Periods

11:56 AM - 1:26 PM
12:00 AM - 12:00 AM

Action Rating: 2 out of 5

Tuesday, July 7, 2026

Weather Forecast

Patchy rain nearby
91°F
80°F
85.1°F
70%
0.1 in
59%
0%
17.4 mph
8


Air Quality

AQI: 1 - Good
PM2.5: 6.88 μg/m3
PM10: 8 μg/m3
Carbon Monoxide: 110.5 μg/m3
Nitrogen Dioxide: 2.59 μg/m3
Sulphur Dioxide: 0.75 μg/m3
Ozone: 93.96 μg/m3

Astronomical

Sunrise: 6:18 AM
Sun Transit: 1:24 PM
Sunset: 8:31 PM
Daylight: 14 hrs 13 mins
Moonrise: 12:27 AM
Moon Transit: 12:00 AM
Moonset: 1:27 PM
Moon Phase: Last Quarter
Moon Illumination: 37.3%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
8:09 PM - 10:39 PM

Minor Periods

12:57 AM - 2:27 PM
12:00 AM - 12:00 AM

Action Rating: 3 out of 5

Wednesday, July 8, 2026

Weather Forecast

Sunny
91.8°F
80.1°F
85.2°F
70%
0.03 in
38%
0%
20.1 mph
8


Air Quality

AQI: 1 - Good
PM2.5: 9.84 μg/m3
PM10: 10.93 μg/m3
Carbon Monoxide: 120.46 μg/m3
Nitrogen Dioxide: 3.13 μg/m3
Sulphur Dioxide: 0.96 μg/m3
Ozone: 107.71 μg/m3

Astronomical

Sunrise: 6:19 AM
Sun Transit: 1:24 PM
Sunset: 8:31 PM
Daylight: 14 hrs 12 mins
Moonrise: 12:56 AM
Moon Transit: 7:39 AM
Moonset: 2:33 PM
Moon Phase: Last Quarter
Moon Illumination: 26.8%

Best Times for Fishing or Hunting

Major Periods

7:09 AM - 9:39 AM
8:58 PM - 11:28 PM

Minor Periods

2:03 PM - 3:33 PM
12:26 AM - 1:56 AM

Action Rating: 3 out of 5

Thursday, July 9, 2026

Weather Forecast

Sunny
92.9°F
79.6°F
86°F
65%
0.03 in
36%
0%
19.9 mph
8


Air Quality

AQI: 1 - Good
PM2.5: 8.54 μg/m3
PM10: 9.49 μg/m3
Carbon Monoxide: 124.64 μg/m3
Nitrogen Dioxide: 3.21 μg/m3
Sulphur Dioxide: 1 μg/m3
Ozone: 107.79 μg/m3

Astronomical

Sunrise: 6:19 AM
Sun Transit: 1:24 PM
Sunset: 8:31 PM
Daylight: 14 hrs 12 mins
Moonrise: 1:29 AM
Moon Transit: 8:31 AM
Moonset: 3:42 PM
Moon Phase: Last Quarter
Moon Illumination: 17.4%

Best Times for Fishing or Hunting

Major Periods

8:01 AM - 10:31 AM
12:00 AM - 12:00 AM

Minor Periods

3:12 PM - 4:42 PM
12:59 AM - 2:29 AM

Action Rating: 2 out of 5

Friday, July 10, 2026

Weather Forecast

Sunny
92.5°F
79.6°F
85.4°F
70%
0.02 in
36%
0%
17.9 mph
8


Air Quality

AQI: 1 - Good
PM2.5: 7.93 μg/m3
PM10: 10.47 μg/m3
Carbon Monoxide: 132.78 μg/m3
Nitrogen Dioxide: 3.56 μg/m3
Sulphur Dioxide: 0.96 μg/m3
Ozone: 73.89 μg/m3

Astronomical

Sunrise: 6:20 AM
Sun Transit: 1:25 PM
Sunset: 8:31 PM
Daylight: 14 hrs 11 mins
Moonrise: 2:10 AM
Moon Transit: 9:28 AM
Moonset: 4:55 PM
Moon Phase: Waning Crescent
Moon Illumination: 9.7%

Best Times for Fishing or Hunting

Major Periods

8:58 AM - 11:28 AM
12:00 AM - 12:00 AM

Minor Periods

4:25 PM - 5:55 PM
1:40 AM - 3:10 AM

Action Rating: 2 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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