Weather for Williamston, South Carolina
Current Weather
Humidity: 74%
Feels Like: 86.8°F
Wind: NW 6.7 mph
Wind Gusts: 10.1 mph
Precipitation: 0 in
Cloud Cover: 75%
Visibility: 9 mi
UV Index: 0.1
Five Day Weather Forecast
Sun
H: 94°F
L: 75°F
Mon
H: 95°F
L: 74°F
Tue
H: 90°F
L: 75°F
Wed
H: 93°F
L: 72°F
Thu
H: 91°F
L: 72°F
Air Quality
Nitrogen Dioxide: 8.51 μg/m3
Sulphur Dioxide: 1.67 μg/m3
Ozone: 82 μg/m3
Astronomical
Sun Transit: 1:36 PM
Sunset: 8:41 PM
Daylight: 14 hrs 9 mins
Moon Transit: 9:30 AM
Moonset: 5:08 PM
Moon Phase: Waning Crescent
Moon Illumination: 14.4%
Best Times for Fishing or Hunting
Major Periods
12:00 AM - 12:00 AM9:00 AM - 11:30 AM
Minor Periods
4:38 PM - 6:08 PM1:31 AM - 3:01 AM
Action Rating: 2 out of 5
Heat Advisory issued July 20 at 1:18PM EDT until July 21 at 8:00PM EDT by NWS Greenville-Spartanburg SC
Effective: Sun July 20, 2025, 1:18 PM
Expires: Sun July 20, 2025, 9:30 PM
* WHAT...Heat index values up to 108 expected. * WHERE...Portions of northeast Georgia, Piedmont North Carolina, and Upstate South Carolina. * WHEN...From noon to 8 PM EDT Monday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses.
Do not leave young children and pets in unattended vehicles. Car interiors will reach lethal temperatures in a matter of minutes. 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 20 at 1:18PM EDT until July 21 at 8:00PM EDT by NWS Greenville-Spartanburg SC
Effective: Sun July 20, 2025, 1:18 PM
Expires: Sun July 20, 2025, 9:30 PM
* WHAT...Heat index values up to 108 expected. * WHERE...Portions of northeast Georgia, Piedmont North Carolina, and Upstate South Carolina. * WHEN...From noon to 8 PM EDT Monday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses.
Do not leave young children and pets in unattended vehicles. Car interiors will reach lethal temperatures in a matter of minutes. 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 20 at 1:18PM EDT until July 21 at 8:00PM EDT by NWS Greenville-Spartanburg SC
Effective: Sun July 20, 2025, 1:18 PM
Expires: Sun July 20, 2025, 9:30 PM
* WHAT...Heat index values up to 108 expected. * WHERE...Portions of northeast Georgia, Piedmont North Carolina, and Upstate South Carolina. * WHEN...From noon to 8 PM EDT Monday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses.
Do not leave young children and pets in unattended vehicles. Car interiors will reach lethal temperatures in a matter of minutes. 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 20 at 1:18PM EDT until July 21 at 8:00PM EDT by NWS Greenville-Spartanburg SC
Effective: Sun July 20, 2025, 1:18 PM
Expires: Sun July 20, 2025, 9:30 PM
* WHAT...Heat index values up to 108 expected. * WHERE...Portions of northeast Georgia, Piedmont North Carolina, and Upstate South Carolina. * WHEN...From noon to 8 PM EDT Monday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses.
Do not leave young children and pets in unattended vehicles. Car interiors will reach lethal temperatures in a matter of minutes. Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors.
Weather Forecast
Average Temperature: 83.6°F
Average Humidity: 73%
Wind: 11 mph
UV Index: 2.8
Air Quality
Nitrogen Dioxide: 5.89 μg/m3
Sulphur Dioxide: 2.03 μg/m3
Ozone: 97.36 μg/m3
Astronomical
Sun Transit: 1:36 PM
Sunset: 8:41 PM
Daylight: 14 hrs 9 mins
Moon Transit: 9:30 AM
Moonset: 5:08 PM
Moon Phase: Waning Crescent
Moon Illumination: 14.4%
Best Times for Fishing or Hunting
Major Periods
12:00 AM - 12:00 AM9:00 AM - 11:30 AM
Minor Periods
4:38 PM - 6:08 PM1:31 AM - 3:01 AM
Action Rating: 2 out of 5
Weather Forecast
Average Temperature: 82.6°F
Average Humidity: 76%
Wind: 13.2 mph
UV Index: 2.3
Air Quality
Nitrogen Dioxide: 5.88 μg/m3
Sulphur Dioxide: 1.89 μg/m3
Ozone: 102.6 μg/m3
Astronomical
Sun Transit: 1:36 PM
Sunset: 8:40 PM
Daylight: 14 hrs 7 mins
Moon Transit: 10:32 AM
Moonset: 6:18 PM
Moon Phase: Waning Crescent
Moon Illumination: 7.4%
Best Times for Fishing or Hunting
Major Periods
12:00 AM - 12:00 AM10:02 AM - 12:32 AM
Minor Periods
5:48 PM - 7:18 PM2:20 AM - 3:50 AM
Action Rating: 2 out of 5
Weather Forecast
Average Temperature: 81.9°F
Average Humidity: 81%
Wind: 15.4 mph
UV Index: 2.3
Air Quality
Nitrogen Dioxide: 14.01 μg/m3
Sulphur Dioxide: 3.18 μg/m3
Ozone: 91.36 μg/m3
Astronomical
Sun Transit: 1:36 PM
Sunset: 8:39 PM
Daylight: 14 hrs 6 mins
Moon Transit: 11:35 AM
Moonset: 7:21 PM
Moon Phase: Waning Crescent
Moon Illumination: 2.6%
Best Times for Fishing or Hunting
Major Periods
12:00 AM - 12:00 AM11:05 AM - 1:35 PM
Minor Periods
6:51 PM - 8:21 PM3:19 AM - 4:49 AM
Action Rating: 3 out of 5
Weather Forecast
Average Temperature: 82.2°F
Average Humidity: 64%
Wind: 13.2 mph
UV Index: 1.9
Air Quality
Nitrogen Dioxide: 5.18 μg/m3
Sulphur Dioxide: 1.84 μg/m3
Ozone: 105.4 μg/m3
Astronomical
Sun Transit: 1:36 PM
Sunset: 8:39 PM
Daylight: 14 hrs 5 mins
Moon Transit: 12:38 AM
Moonset: 8:15 PM
Moon Phase: Waning Crescent
Moon Illumination: 0.2%
Best Times for Fishing or Hunting
Major Periods
12:40 AM - 3:10 AM12:08 AM - 2:38 PM
Minor Periods
7:45 PM - 9:15 PM4:25 AM - 5:55 AM
Action Rating: 2 out of 5
Weather Forecast
Average Temperature: 80°F
Average Humidity: 72%
Wind: 8.3 mph
UV Index: 0.1
Air Quality
Nitrogen Dioxide: 9.58 μg/m3
Sulphur Dioxide: 1.84 μg/m3
Ozone: 80.15 μg/m3
Astronomical
Sun Transit: 1:36 PM
Sunset: 8:38 PM
Daylight: 14 hrs 3 mins
Moon Transit: 1:36 PM
Moonset: 8:58 PM
Moon Phase: New
Moon Illumination: 0.4%
Best Times for Fishing or Hunting
Major Periods
1:40 AM - 4:10 AM1:06 PM - 3:36 PM
Minor Periods
8:28 PM - 9:58 PM5:36 AM - 7:06 AM
Action Rating: 4 out of 5