Water Temperature of the Catawba River in Great Falls, SC

Current Water Temperature

85.1°F

Measurement Time: Saturday, July 18, 2026, 4:00 PM EDT

Temperature Locations

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Local Points of Interest

Great Falls Reservoir

Catawba River

Station Name: CATAWBA RIVER AT GREAT FALLS, SC
Data Source: Water Data - usgc.gov

Elevation Above Sea Level: 358 feet

Nearest Address:
Tom G Mangum Bridge
Great Falls, SC 29720
Lancaster County

GPS Coordinates: 34.59805556, -80.8905556

Nearby Water Temperatures

Cedar Creek, Heath Springs, SC (4 mi)
Wateree River, Lugoff, SC (27.9 mi)
Broad River, Carlisle, SC (30.2 mi)
Broad River, Jenkinsville, SC (34.2 mi)
Tyger River, Delta, SC (37.7 mi)
Broad River, Columbia, SC (39.4 mi)
Enoree River, Whitmire, SC (40.7 mi)
Saluda River, Columbia, SC (41.9 mi)
Saluda River, Columbia, SC (42 mi)
Lake Murray, Columbia, SC (42.2 mi)
Catawba River, Mount Holly, NC (51.1 mi)
Saluda River, Prosperity, SC (51.8 mi)
Little Saluda River, Leesville, SC (52.4 mi)
Catawba River, Stanley, NC (57.4 mi)
Pee Dee River, Rockingham, NC (60.4 mi)

Weather for Great Falls, South Carolina

Current Weather

88°F
Sunny
Sunny
91.1°F
100°F
59%
SW 6.7 mph
13.4 mph
92.8°F
69.9°F
0 in
0%
9 mi
1014 mbar
0

Five Day Weather Forecast

Sunny
Sat
H: 100°F
L: 76°F
Sunny
Sun
H: 98°F
L: 76°F
Sunny
Mon
H: 99°F
L: 72°F
Sunny
Tue
H: 98°F
L: 75°F
Sunny
Wed
H: 99°F
L: 77°F

Air Quality

AQI: 1 - Good
PM2.5: 9.5 μg/m3
PM10: 9.8 μg/m3
Carbon Monoxide: 136 μg/m3
Nitrogen Dioxide: 2.5 μg/m3
Sulphur Dioxide: 0.5 μg/m3
Ozone: 118 μg/m3

Astronomical

Sunrise: 6:24 AM
Sun Transit: 1:29 PM
Sunset: 8:36 PM
Daylight: 14 hrs 11 mins
Moonrise: 11:04 AM
Moon Transit: 5:17 PM
Moonset: 11:22 PM
Moon Phase: Waxing Crescent
Moon Illumination: 13.9%

Best Times for Fishing or Hunting

Major Periods

5:40 AM - 8:10 AM
4:47 PM - 7:17 PM

Minor Periods

12:00 AM - 12:00 AM
10:34 AM - 12:04 AM

Action Rating: 2 out of 5

Heat Advisory issued July 18 at 12:09PM EDT until July 18 at 8:00PM EDT by NWS Greenville-Spartanburg SC

Effective: Sat July 18, 2026, 12:09 PM
Expires: Sat July 18, 2026, 8:00 PM

* WHAT...Heat index values up to 107. * WHERE...Union County. * WHEN...Until 8 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. Do not leave young children and pets in unattended vehicles. Car interiors will reach lethal temperatures in a matter of minutes.
Saturday, July 18, 2026

Weather Forecast

Sunny
99.5°F
76.1°F
87.4°F
62%
0.01 in
17%
0%
8.9 mph
10.3


Air Quality

AQI: 1 - Good
PM2.5: 9.28 μg/m3
PM10: 9.51 μg/m3
Carbon Monoxide: 138.42 μg/m3
Nitrogen Dioxide: 3.55 μg/m3
Sulphur Dioxide: 0.58 μg/m3
Ozone: 99.88 μg/m3

Astronomical

Sunrise: 6:24 AM
Sun Transit: 1:29 PM
Sunset: 8:36 PM
Daylight: 14 hrs 11 mins
Moonrise: 11:04 AM
Moon Transit: 5:17 PM
Moonset: 11:22 PM
Moon Phase: Waxing Crescent
Moon Illumination: 13.9%

Best Times for Fishing or Hunting

Major Periods

5:40 AM - 8:10 AM
4:47 PM - 7:17 PM

Minor Periods

12:00 AM - 12:00 AM
10:34 AM - 12:04 AM

Action Rating: 2 out of 5

Sunday, July 19, 2026

Weather Forecast

Sunny
98.1°F
75.6°F
84.5°F
65%
0.03 in
36%
0%
8.9 mph
9.4


Air Quality

AQI: 1 - Good
PM2.5: 10.13 μg/m3
PM10: 11.17 μg/m3
Carbon Monoxide: 132.5 μg/m3
Nitrogen Dioxide: 2.63 μg/m3
Sulphur Dioxide: 0.62 μg/m3
Ozone: 84.33 μg/m3

Astronomical

Sunrise: 6:25 AM
Sun Transit: 1:29 PM
Sunset: 8:35 PM
Daylight: 14 hrs 10 mins
Moonrise: 12:06 AM
Moon Transit: 6:01 PM
Moonset: 12:22 AM
Moon Phase: Waxing Crescent
Moon Illumination: 22.6%

Best Times for Fishing or Hunting

Major Periods

6:24 AM - 8:54 AM
5:31 PM - 8:01 PM

Minor Periods

11:36 AM - 1:06 PM
12:00 AM - 12:00 AM

Action Rating: 3 out of 5

Monday, July 20, 2026

Weather Forecast

Sunny
98.5°F
71.6°F
84°F
63%
0.04 in
57%
0%
10.7 mph
10.6


Air Quality

AQI: 1 - Good
PM2.5: 11.21 μg/m3
PM10: 13.88 μg/m3
Carbon Monoxide: 125.83 μg/m3
Nitrogen Dioxide: 3.32 μg/m3
Sulphur Dioxide: 0.61 μg/m3
Ozone: 71.67 μg/m3

Astronomical

Sunrise: 6:26 AM
Sun Transit: 1:30 PM
Sunset: 8:35 PM
Daylight: 14 hrs 9 mins
Moonrise: 1:07 PM
Moon Transit: 6:44 PM
Moonset: 12:48 AM
Moon Phase: Waxing Crescent
Moon Illumination: 32.7%

Best Times for Fishing or Hunting

Major Periods

7:08 AM - 9:38 AM
6:14 PM - 8:44 PM

Minor Periods

12:37 AM - 2:07 PM
12:00 AM - 12:00 AM

Action Rating: 3 out of 5

Tuesday, July 21, 2026

Weather Forecast

Sunny
97.8°F
75.2°F
85.6°F
56%
0 in
3%
0%
13.2 mph
10.2


Air Quality

AQI: 1 - Good
PM2.5: 6.67 μg/m3
PM10: 7.66 μg/m3
Carbon Monoxide: 128.49 μg/m3
Nitrogen Dioxide: 2.47 μg/m3
Sulphur Dioxide: 0.6 μg/m3
Ozone: 76.71 μg/m3

Astronomical

Sunrise: 6:26 AM
Sun Transit: 1:30 PM
Sunset: 8:34 PM
Daylight: 14 hrs 8 mins
Moonrise: 2:07 PM
Moon Transit: 7:28 PM
Moonset: 12:15 AM
Moon Phase: First Quarter
Moon Illumination: 43.7%

Best Times for Fishing or Hunting

Major Periods

7:51 AM - 10:21 AM
6:58 PM - 9:28 PM

Minor Periods

1:37 PM - 3:07 PM
12:00 AM - 12:00 AM

Action Rating: 2 out of 5

Wednesday, July 22, 2026

Weather Forecast

Sunny
98.7°F
76.9°F
85.7°F
64%
0.4 in
69%
0%
13.4 mph
9.6


Air Quality

AQI: 1 - Good
PM2.5: 6.89 μg/m3
PM10: 7.26 μg/m3
Carbon Monoxide: 183.56 μg/m3
Nitrogen Dioxide: 2.98 μg/m3
Sulphur Dioxide: 0.46 μg/m3
Ozone: 64.56 μg/m3

Astronomical

Sunrise: 6:27 AM
Sun Transit: 1:30 PM
Sunset: 8:33 PM
Daylight: 14 hrs 6 mins
Moonrise: 3:08 PM
Moon Transit: 8:14 PM
Moonset: 12:44 AM
Moon Phase: First Quarter
Moon Illumination: 55.0%

Best Times for Fishing or Hunting

Major Periods

8:36 AM - 11:06 AM
7:44 PM - 10:14 PM

Minor Periods

2:38 PM - 4:08 PM
12:14 AM - 1:44 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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