Water Temperature of the Cooper River in Charleston, SC

Current Water Temperature

79.0°F

Measurement Time: Wednesday, May 21, 2025, 8:00 AM EDT

Temperature Locations

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Local Points of Interest

Waterfront Park; Cruise Ship Terminal; Charleston Pier; Customs House

Cooper River

Station Name: COOPER R AT CUSTOMS HOUSE (AUX) AT CHARLESTON, SC
Data Source: Water Data - usgc.gov

Elevation Above Sea Level: 0 feet

Nearest Address:
192 Concord St
Charleston, SC 29401
Charleston County

GPS Coordinates: 32.7804544, -79.923699

Nearby Water Temperatures

Cooper River, Charleston, SC (0 mi)
Cooper River, Charleston, SC (0.1 mi)
Cooper River, Mount Pleasant, SC (1.7 mi)
Cooper River, North Charleston, SC (5.5 mi)
Wando River, Mount Pleasant, SC (5.7 mi)
Ashley River, North Charleston, SC (6.9 mi)
Cooper River, North Charleston, SC (7.9 mi)
Wando River, Charleston, SC (11.3 mi)
Cooper River, Goose Creek, SC (14 mi)
Cooper River, Moncks Corner, SC (16.3 mi)
Ashley River, Summerville, SC (16.6 mi)
Atlantic Ocean, Isle of Palms, SC (17.8 mi)
Cooper River, Goose Creek, SC (19.2 mi)
Chicken Creek, Goose Creek, SC (19.2 mi)
West Branch Cooper River, Moncks Corner, SC (21.7 mi)

Weather for Charleston, South Carolina

Current Weather

45.1°F
Partly cloudy
Partly cloudy
40.9°F
45.7°F
70%
NNE 7.8 mph
13.9 mph
41.2°F
35.8°F
0 in
50%
9 mi
1024 mbar
0

Five Day Weather Forecast

Sunny
Thu
H: 64°F
L: 44°F
Sunny
Fri
H: 70°F
L: 49°F
Sunny
Sat
H: 81°F
L: 56°F
Sunny
Sun
H: 78°F
L: 62°F
Patchy rain nearby
Mon
H: 79°F
L: 63°F

Air Quality

AQI: 1 - Good
PM2.5: 9.95 μg/m3
PM10: 10.25 μg/m3
Carbon Monoxide: 196.85 μg/m3
Nitrogen Dioxide: 7.35 μg/m3
Sulphur Dioxide: 4.65 μg/m3
Ozone: 86 μg/m3

Astronomical

Sunrise: 7:24 AM
Sun Transit: 12:00 AM
Sunset: 7:30 PM
Daylight: 12 hrs 6 mins
Moonrise: 7:35 AM
Moon Transit: 1:31 AM
Moonset: 8:28 PM
Moon Phase: New
Moon Illumination: 0.3%

Best Times for Fishing or Hunting

Major Periods

1:01 AM - 3:31 AM
1:01 AM - 3:31 AM

Minor Periods

7:58 PM - 9:28 PM
7:05 AM - 8:35 AM

Action Rating: 5 out of 5

Frost Advisory issued March 18 at 8:08PM EDT until March 19 at 9:00AM EDT by NWS Charleston SC

Effective: Wed March 18, 2026, 8:08 PM
Expires: Thu March 19, 2026, 4:15 AM

* WHAT...Temperatures as low as 33 will result in frost formation. * WHERE...Portions of southeast Georgia and southeast South Carolina. * WHEN...From midnight tonight to 9 AM EDT Thursday. * IMPACTS...Frost could harm sensitive outdoor vegetation. Sensitive outdoor plants may be killed if left uncovered.

Take steps now to protect tender plants from the cold.
Thursday, March 19, 2026

Weather Forecast

Sunny
63.5°F
44.2°F
53.3°F
58%
0 in
0%
0%
8.7 mph
1.4


Air Quality

AQI: 1 - Good
PM2.5: 8.12 μg/m3
PM10: 8.57 μg/m3
Carbon Monoxide: 197.57 μg/m3
Nitrogen Dioxide: 7.92 μg/m3
Sulphur Dioxide: 4.65 μg/m3
Ozone: 95.96 μg/m3

Astronomical

Sunrise: 7:24 AM
Sun Transit: 12:00 AM
Sunset: 7:30 PM
Daylight: 12 hrs 6 mins
Moonrise: 7:35 AM
Moon Transit: 1:31 AM
Moonset: 8:28 PM
Moon Phase: New
Moon Illumination: 0.3%

Best Times for Fishing or Hunting

Major Periods

1:01 AM - 3:31 AM
1:01 AM - 3:31 AM

Minor Periods

7:58 PM - 9:28 PM
7:05 AM - 8:35 AM

Action Rating: 5 out of 5

Friday, March 20, 2026

Weather Forecast

Sunny
69.6°F
48.9°F
58.7°F
59%
0 in
0%
0%
9.6 mph
1.4


Air Quality

AQI: 1 - Good
PM2.5: 14.87 μg/m3
PM10: 15.59 μg/m3
Carbon Monoxide: 263.53 μg/m3
Nitrogen Dioxide: 15.19 μg/m3
Sulphur Dioxide: 5.36 μg/m3
Ozone: 89.12 μg/m3

Astronomical

Sunrise: 7:23 AM
Sun Transit: 10:27 AM
Sunset: 7:31 PM
Daylight: 12 hrs 8 mins
Moonrise: 8:05 AM
Moon Transit: 2:45 PM
Moonset: 9:36 PM
Moon Phase: New
Moon Illumination: 2.8%

Best Times for Fishing or Hunting

Major Periods

3:14 AM - 5:44 AM
2:15 PM - 4:45 PM

Minor Periods

9:06 PM - 10:36 PM
7:35 AM - 9:05 AM

Action Rating: 4 out of 5

Saturday, March 21, 2026

Weather Forecast

Sunny
80.6°F
56.3°F
66.3°F
65%
0 in
0%
0%
12.3 mph
1.4


Air Quality

AQI: 1 - Good
PM2.5: 9.01 μg/m3
PM10: 9.95 μg/m3
Carbon Monoxide: 187.53 μg/m3
Nitrogen Dioxide: 6.83 μg/m3
Sulphur Dioxide: 3.59 μg/m3
Ozone: 108.92 μg/m3

Astronomical

Sunrise: 7:22 AM
Sun Transit: 12:00 AM
Sunset: 7:32 PM
Daylight: 12 hrs 10 mins
Moonrise: 8:39 AM
Moon Transit: 3:38 PM
Moonset: 10:48 PM
Moon Phase: Waxing Crescent
Moon Illumination: 7.8%

Best Times for Fishing or Hunting

Major Periods

4:05 AM - 6:35 AM
3:08 PM - 5:38 PM

Minor Periods

10:18 PM - 11:48 PM
8:09 AM - 9:39 AM

Action Rating: 2 out of 5

Sunday, March 22, 2026

Weather Forecast

Sunny
77.7°F
62°F
68.2°F
70%
0 in
0%
0%
14.8 mph
1.6


Air Quality

AQI: 1 - Good
PM2.5: 8.65 μg/m3
PM10: 9.05 μg/m3
Carbon Monoxide: 172.42 μg/m3
Nitrogen Dioxide: 6.77 μg/m3
Sulphur Dioxide: 2.9 μg/m3
Ozone: 96.36 μg/m3

Astronomical

Sunrise: 7:20 AM
Sun Transit: 12:00 AM
Sunset: 7:33 PM
Daylight: 12 hrs 12 mins
Moonrise: 9:18 AM
Moon Transit: 4:34 PM
Moonset: 12:00 PM
Moon Phase: Waxing Crescent
Moon Illumination: 14.9%

Best Times for Fishing or Hunting

Major Periods

4:59 AM - 7:29 AM
4:04 PM - 6:34 PM

Minor Periods

12:00 AM - 12:00 AM
8:48 AM - 10:18 AM

Action Rating: 3 out of 5

Monday, March 23, 2026

Weather Forecast

Patchy rain nearby
78.9°F
62.9°F
68.7°F
70%
0.06 in
57%
0%
13.4 mph
0


Air Quality

AQI: 1 - Good
PM2.5: 8.36 μg/m3
PM10: 8.87 μg/m3
Carbon Monoxide: 163.15 μg/m3
Nitrogen Dioxide: 6.2 μg/m3
Sulphur Dioxide: 2.91 μg/m3
Ozone: 93.54 μg/m3

Astronomical

Sunrise: 7:19 AM
Sun Transit: 12:00 AM
Sunset: 7:33 PM
Daylight: 12 hrs 14 mins
Moonrise: 10:04 AM
Moon Transit: 5:35 PM
Moonset: 12:00 AM
Moon Phase: Waxing Crescent
Moon Illumination: 23.8%

Best Times for Fishing or Hunting

Major Periods

5:58 AM - 8:28 AM
5:05 PM - 7:35 PM

Minor Periods

9:34 AM - 11:04 AM
12:00 AM - 12:00 AM

Action Rating: 3 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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