Water Temperature of the Cooper River in Mount Pleasant, SC

Current Water Temperature

82.6°F

Measurement Time: Saturday, June 13, 2026, 9:15 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

95.5°F
Sunny
Sunny
109.3°F
112.4°F
63%
S 12.5 mph
17.8 mph
96.1°F
77°F
0 in
0%
8 mi
1014 mbar
10.4

Five Day Weather Forecast

Sunny
Sat
H: 98°F
L: 76°F
Patchy rain nearby
Sun
H: 88°F
L: 76°F
Patchy rain nearby
Mon
H: 90°F
L: 75°F
Patchy rain nearby
Tue
H: 82°F
L: 74°F
Patchy rain nearby
Wed
H: 87°F
L: 73°F

Air Quality

AQI: 1 - Good
PM2.5: 17 μg/m3
PM10: 18.5 μg/m3
Carbon Monoxide: 144 μg/m3
Nitrogen Dioxide: 1.8 μg/m3
Sulphur Dioxide: 1.1 μg/m3
Ozone: 146 μg/m3

Astronomical

Sunrise: 6:11 AM
Sun Transit: 1:19 PM
Sunset: 8:29 PM
Daylight: 14 hrs 18 mins
Moonrise: 4:20 AM
Moon Transit: 11:45 AM
Moonset: 7:19 PM
Moon Phase: Waning Crescent
Moon Illumination: 0.1%

Best Times for Fishing or Hunting

Major Periods

12:08 AM - 2:38 AM
11:15 AM - 1:45 PM

Minor Periods

6:49 PM - 8:19 PM
3:50 AM - 5:20 AM

Action Rating: 3 out of 5

Heat Advisory issued June 13 at 1:46AM EDT until June 13 at 5:00PM EDT by NWS Charleston SC

Effective: Sat June 13, 2026, 1:46 AM
Expires: Sat June 13, 2026, 5:00 PM

* WHAT...Temperatures in the upper 90s with heat indices of 105 to 110 expected. * WHERE...Coastal southeast Georgia and coastal South Carolina. * WHEN...From 11 AM this morning to 5 PM EDT this afternoon. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses.

To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1.
Saturday, June 13, 2026

Weather Forecast

Sunny
97.5°F
75.9°F
85.8°F
70%
0 in
5%
0%
19.5 mph
10.5


Air Quality

AQI: 2 - Moderate
PM2.5: 16 μg/m3
PM10: 17.4 μg/m3
Carbon Monoxide: 142 μg/m3
Nitrogen Dioxide: 4.13 μg/m3
Sulphur Dioxide: 1.23 μg/m3
Ozone: 113.88 μg/m3

Astronomical

Sunrise: 6:11 AM
Sun Transit: 1:19 PM
Sunset: 8:29 PM
Daylight: 14 hrs 18 mins
Moonrise: 4:20 AM
Moon Transit: 11:45 AM
Moonset: 7:19 PM
Moon Phase: Waning Crescent
Moon Illumination: 0.1%

Best Times for Fishing or Hunting

Major Periods

12:08 AM - 2:38 AM
11:15 AM - 1:45 PM

Minor Periods

6:49 PM - 8:19 PM
3:50 AM - 5:20 AM

Action Rating: 3 out of 5

Sunday, June 14, 2026

Weather Forecast

Patchy rain nearby
88.2°F
76.4°F
81.3°F
76%
0.13 in
61%
0%
17.2 mph
10.7


Air Quality

AQI: 1 - Good
PM2.5: 13.12 μg/m3
PM10: 13.93 μg/m3
Carbon Monoxide: 136.13 μg/m3
Nitrogen Dioxide: 3.19 μg/m3
Sulphur Dioxide: 0.84 μg/m3
Ozone: 107.88 μg/m3

Astronomical

Sunrise: 6:11 AM
Sun Transit: 1:20 PM
Sunset: 8:29 PM
Daylight: 14 hrs 18 mins
Moonrise: 5:14 AM
Moon Transit: 12:51 AM
Moonset: 8:32 PM
Moon Phase: New
Moon Illumination: 0.7%

Best Times for Fishing or Hunting

Major Periods

1:12 AM - 3:42 AM
12:21 AM - 2:51 PM

Minor Periods

8:02 PM - 9:32 PM
4:44 AM - 6:14 AM

Action Rating: 5 out of 5

Monday, June 15, 2026

Weather Forecast

Patchy rain nearby
90.1°F
75.2°F
82.5°F
71%
0.03 in
36%
0%
17.9 mph
10.9


Air Quality

AQI: 1 - Good
PM2.5: 10.9 μg/m3
PM10: 11.83 μg/m3
Carbon Monoxide: 125.25 μg/m3
Nitrogen Dioxide: 2.84 μg/m3
Sulphur Dioxide: 0.77 μg/m3
Ozone: 85.92 μg/m3

Astronomical

Sunrise: 6:11 AM
Sun Transit: 1:20 PM
Sunset: 8:30 PM
Daylight: 14 hrs 18 mins
Moonrise: 6:20 AM
Moon Transit: 2:00 PM
Moonset: 9:37 PM
Moon Phase: New
Moon Illumination: 3.8%

Best Times for Fishing or Hunting

Major Periods

2:20 AM - 4:50 AM
1:30 PM - 4:00 PM

Minor Periods

9:07 PM - 10:37 PM
5:50 AM - 7:20 AM

Action Rating: 4 out of 5

Tuesday, June 16, 2026

Weather Forecast

Patchy rain nearby
82.2°F
73.6°F
77.7°F
78%
0.11 in
67%
0%
15 mph
5.8


Air Quality

AQI: 1 - Good
PM2.5: 6.36 μg/m3
PM10: 6.58 μg/m3
Carbon Monoxide: 134.47 μg/m3
Nitrogen Dioxide: 3.84 μg/m3
Sulphur Dioxide: 0.6 μg/m3
Ozone: 62.96 μg/m3

Astronomical

Sunrise: 6:11 AM
Sun Transit: 1:20 PM
Sunset: 8:30 PM
Daylight: 14 hrs 19 mins
Moonrise: 7:32 AM
Moon Transit: 3:05 PM
Moonset: 10:32 PM
Moon Phase: New
Moon Illumination: 1.0%

Best Times for Fishing or Hunting

Major Periods

3:27 AM - 5:57 AM
2:35 PM - 5:05 PM

Minor Periods

10:02 PM - 11:32 PM
7:02 AM - 8:32 AM

Action Rating: 4 out of 5

Wednesday, June 17, 2026

Weather Forecast

Patchy rain nearby
86.7°F
73.2°F
78.8°F
76%
0.04 in
54%
0%
15.9 mph
0.2


Air Quality

AQI: 1 - Good
PM2.5: 6.4 μg/m3
PM10: 6.64 μg/m3
Carbon Monoxide: 158.44 μg/m3
Nitrogen Dioxide: 5.18 μg/m3
Sulphur Dioxide: 0.76 μg/m3
Ozone: 50.11 μg/m3

Astronomical

Sunrise: 6:11 AM
Sun Transit: 1:20 PM
Sunset: 8:30 PM
Daylight: 14 hrs 19 mins
Moonrise: 8:48 AM
Moon Transit: 4:06 PM
Moonset: 11:16 PM
Moon Phase: Waxing Crescent
Moon Illumination: 4.6%

Best Times for Fishing or Hunting

Major Periods

4:30 AM - 7:00 AM
3:36 PM - 6:06 PM

Minor Periods

12:00 AM - 12:00 AM
8:18 AM - 9:48 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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