Water Temperature of the Ashley River in Summerville, SC
Current Water Temperature
Measurement Time: Friday, July 18, 2025, 3:45 PM EDT
Temperature Locations
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Station Name: ASHLEY RIVER BELOW SUMMERVILLE, SC
Data Source: Water Data - usgc.gov
Elevation Above Sea Level: 13 feet / 4 meters
Nearest Address:
198 Pelzer Dr
Summerville, SC 29485
Dorchester County
GPS Coordinates: 32.92583333, -80.1516667
Nearby Water Temperatures
Ashley River, North Charleston, SC (9.7 mi)Cooper River, North Charleston, SC (11.2 mi)
Cooper River, North Charleston, SC (12.5 mi)
Cooper River, Goose Creek, SC (13.9 mi)
Chicken Creek, Goose Creek, SC (14.4 mi)
Cooper River, Goose Creek, SC (15.5 mi)
Cooper River, Moncks Corner, SC (15.5 mi)
Wando River, Mount Pleasant, SC (15.5 mi)
Cooper River, Mount Pleasant, SC (16.4 mi)
West Branch Cooper River, Moncks Corner, SC (16.5 mi)
Cooper River, Charleston, SC (16.5 mi)
Cooper River, Charleston, SC (16.6 mi)
Cooper River, Charleston, SC (16.6 mi)
Wando River, Charleston, SC (19.0 mi)
Cooper River, Moncks Corner, SC (22.5 mi)
Weather for Summerville, South Carolina
Current Weather

Humidity: 100%
Feels Like: 89.2°F
Wind: S 5.6 mph
Wind Gusts: 9.5 mph
Precipitation: 0 in
Cloud Cover: 0%
Visibility: 9 mi
UV Index: 0
Five Day Weather Forecast

Fri
H: 99°F
L: 78°F

Sat
H: 101°F
L: 80°F

Sun
H: 101°F
L: 84°F

Mon
H: 100°F
L: 83°F

Tue
H: 92°F
L: 76°F
Air Quality
Nitrogen Dioxide: 10.36 μg/m3
Sulphur Dioxide: 6.11 μg/m3
Ozone: 105 μg/m3
Astronomical
Sun Transit: 1:26 PM
Sunset: 8:29 PM
Daylight: 14 hrs 3 mins
Moon Transit: 7:29 AM
Moonset: 2:29 PM
Moon Phase: Last Quarter
Moon Illumination: 33.4%
Best Times for Fishing or Hunting
Major Periods
6:59 AM - 9:29 AM8:47 PM - 11:17 PM
Minor Periods
1:59 PM - 3:29 PM12:10 AM - 1:40 AM
Action Rating: 3 out of 5
Special Weather Statement issued July 18 at 12:24PM EDT by NWS Charleston SC
Effective: Fri July 18, 2025, 12:24 PM
Expires: Fri July 18, 2025, 6:00 PM
Temperatures rising into the 90s combined with high humidity will produce heat indices of 107 to 109 today, especially along and east of I-95. The highest values will occur during the afternoon hours. If heat indices are expected to remain above 108 for 2 hours or more, a Heat Advisory will be issued.
Take extra precautions if you work or spend time outside. When possible, reschedule strenuous activities to early morning or evening. Know the signs and symptoms of heat exhaustion and heat stroke. Wear light weight and loose fitting clothing when possible and drink plenty of water.
Special Weather Statement issued July 18 at 12:24PM EDT by NWS Charleston SC
Effective: Fri July 18, 2025, 12:24 PM
Expires: Fri July 18, 2025, 6:00 PM
Temperatures rising into the 90s combined with high humidity will produce heat indices of 107 to 109 today, especially along and east of I-95. The highest values will occur during the afternoon hours. If heat indices are expected to remain above 108 for 2 hours or more, a Heat Advisory will be issued.
Take extra precautions if you work or spend time outside. When possible, reschedule strenuous activities to early morning or evening. Know the signs and symptoms of heat exhaustion and heat stroke. Wear light weight and loose fitting clothing when possible and drink plenty of water.
Weather Forecast
Average Temperature: 86.7°F
Average Humidity: 77%
Wind: 8.9 mph
UV Index: 2.3
Air Quality
Nitrogen Dioxide: 6.22 μg/m3
Sulphur Dioxide: 3.51 μg/m3
Ozone: 68.16 μg/m3
Astronomical
Sun Transit: 1:26 PM
Sunset: 8:29 PM
Daylight: 14 hrs 3 mins
Moon Transit: 7:29 AM
Moonset: 2:29 PM
Moon Phase: Last Quarter
Moon Illumination: 33.4%
Best Times for Fishing or Hunting
Major Periods
6:59 AM - 9:29 AM8:47 PM - 11:17 PM
Minor Periods
1:59 PM - 3:29 PM12:10 AM - 1:40 AM
Action Rating: 3 out of 5
Weather Forecast
Average Temperature: 89.8°F
Average Humidity: 66%
Wind: 9.4 mph
UV Index: 2.8
Air Quality
Nitrogen Dioxide: 7.1 μg/m3
Sulphur Dioxide: 4.96 μg/m3
Ozone: 107.6 μg/m3
Astronomical
Sun Transit: 1:27 PM
Sunset: 8:28 PM
Daylight: 14 hrs 2 mins
Moon Transit: 8:22 AM
Moonset: 3:40 PM
Moon Phase: Last Quarter
Moon Illumination: 23.2%
Best Times for Fishing or Hunting
Major Periods
7:52 AM - 10:22 AM12:00 AM - 12:00 AM
Minor Periods
3:10 PM - 4:40 PM12:44 AM - 2:14 AM
Action Rating: 2 out of 5
Weather Forecast
Average Temperature: 91.7°F
Average Humidity: 59%
Wind: 9.6 mph
UV Index: 2.1
Air Quality
Nitrogen Dioxide: 7.06 μg/m3
Sulphur Dioxide: 4.36 μg/m3
Ozone: 108 μg/m3
Astronomical
Sun Transit: 1:27 PM
Sunset: 8:28 PM
Daylight: 14 hrs 1 mins
Moon Transit: 9:20 AM
Moonset: 4:53 PM
Moon Phase: Waning Crescent
Moon Illumination: 14.4%
Best Times for Fishing or Hunting
Major Periods
8:50 AM - 11:20 AM12:00 AM - 12:00 AM
Minor Periods
4:23 PM - 5:53 PM1:26 AM - 2:56 AM
Action Rating: 2 out of 5
Weather Forecast
Average Temperature: 91.7°F
Average Humidity: 59%
Wind: 8.5 mph
UV Index: 2.6
Air Quality
Nitrogen Dioxide: 11.05 μg/m3
Sulphur Dioxide: 5.48 μg/m3
Ozone: 116.4 μg/m3
Astronomical
Sun Transit: 1:27 PM
Sunset: 8:27 PM
Daylight: 14 hrs mins
Moon Transit: 10:22 AM
Moonset: 6:03 PM
Moon Phase: Waning Crescent
Moon Illumination: 7.4%
Best Times for Fishing or Hunting
Major Periods
12:00 AM - 12:00 AM9:52 AM - 12:22 AM
Minor Periods
5:33 PM - 7:03 PM2:16 AM - 3:46 AM
Action Rating: 2 out of 5
Weather Forecast
Average Temperature: 81.5°F
Average Humidity: 78%
Wind: 8.9 mph
UV Index: 2.8
Air Quality
Nitrogen Dioxide: 17.99 μg/m3
Sulphur Dioxide: 8.11 μg/m3
Ozone: 85.31 μg/m3
Astronomical
Sun Transit: 1:27 PM
Sunset: 8:26 PM
Daylight: 13 hrs 59 mins
Moon Transit: 11:26 AM
Moonset: 7:06 PM
Moon Phase: Waning Crescent
Moon Illumination: 2.6%
Best Times for Fishing or Hunting
Major Periods
12:00 AM - 12:00 AM10:56 AM - 1:26 PM
Minor Periods
6:36 PM - 8:06 PM3:15 AM - 4:45 AM
Action Rating: 3 out of 5