Weather for St. Stephen, South Carolina
Current Weather
Humidity: 89%
Feels Like: 86.9°F
Wind: WSW 4.5 mph
Wind Gusts: 7 mph
Precipitation: 0 in
Cloud Cover: 0%
Visibility: 9 mi
UV Index: 0.7
Five Day Weather Forecast
Fri
H: 93°F
L: 80°F
Sat
H: 82°F
L: 73°F
Sun
H: 79°F
L: 71°F
Mon
H: 89°F
L: 69°F
Tue
H: 86°F
L: 72°F
Air Quality
Nitrogen Dioxide: 3.15 μg/m3
Sulphur Dioxide: 6.29 μg/m3
Ozone: 149 μg/m3
Astronomical
Sun Transit: 1:26 PM
Sunset: 8:19 PM
Daylight: 13 hrs 46 mins
Moon Transit: 7:20 PM
Moonset: 12:59 AM
Moon Phase: First Quarter
Moon Illumination: 47.9%
Best Times for Fishing or Hunting
Major Periods
7:51 AM - 10:21 AM6:50 PM - 9:20 PM
Minor Periods
1:35 PM - 3:05 PM12:00 AM - 12:00 AM
Action Rating: 2 out of 5
Heat Advisory issued August 1 at 1:32AM EDT until August 1 at 8:00PM EDT by NWS Charleston SC
Effective: Fri August 1, 2025, 1:32 AM
Expires: Fri August 1, 2025, 9:45 AM
* WHAT...Heat index values up to 109 expected. * WHERE...In Georgia, Jenkins and Screven Counties. In South Carolina, Allendale, Dorchester, Hampton, Inland Berkeley, and Inland Colleton Counties. * WHEN...From 11 AM this morning to 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.
Heat Advisory issued August 1 at 1:32AM EDT until August 1 at 8:00PM EDT by NWS Charleston SC
Effective: Fri August 1, 2025, 1:32 AM
Expires: Fri August 1, 2025, 9:45 AM
* WHAT...Heat index values of 108 to 112 expected. * WHERE...Portions of southeast Georgia and southeast South Carolina. * WHEN...From 11 AM this morning to 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. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke.
Heat Advisory issued August 1 at 1:01AM EDT until August 1 at 8:00PM EDT by NWS Columbia SC
Effective: Fri August 1, 2025, 1:01 AM
Expires: Fri August 1, 2025, 2:15 PM
* WHAT...Heat index values up to 110 expected. * WHERE...Portions of east central Georgia and central South Carolina. * WHEN...From 11 AM this morning to 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. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke.
Heat Advisory issued August 1 at 1:32AM EDT until August 1 at 8:00PM EDT by NWS Charleston SC
Effective: Fri August 1, 2025, 1:32 AM
Expires: Fri August 1, 2025, 9:45 AM
* WHAT...Heat index values up to 109 expected. * WHERE...In Georgia, Jenkins and Screven Counties. In South Carolina, Allendale, Dorchester, Hampton, Inland Berkeley, and Inland Colleton Counties. * WHEN...From 11 AM this morning to 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.
Weather Forecast
Average Temperature: 85.7°F
Average Humidity: 77%
Wind: 9.6 mph
UV Index: 2.5
Air Quality
Nitrogen Dioxide: 6.22 μg/m3
Sulphur Dioxide: 3.59 μg/m3
Ozone: 110.04 μg/m3
Astronomical
Sun Transit: 1:26 PM
Sunset: 8:19 PM
Daylight: 13 hrs 46 mins
Moon Transit: 7:20 PM
Moonset: 12:59 AM
Moon Phase: First Quarter
Moon Illumination: 47.9%
Best Times for Fishing or Hunting
Major Periods
7:51 AM - 10:21 AM6:50 PM - 9:20 PM
Minor Periods
1:35 PM - 3:05 PM12:00 AM - 12:00 AM
Action Rating: 2 out of 5
Weather Forecast
Average Temperature: 77.8°F
Average Humidity: 89%
Wind: 8.7 mph
UV Index: 1.4
Air Quality
Nitrogen Dioxide: 5.11 μg/m3
Sulphur Dioxide: 2.36 μg/m3
Ozone: 100.88 μg/m3
Astronomical
Sun Transit: 1:25 PM
Sunset: 8:18 PM
Daylight: 13 hrs 45 mins
Moon Transit: 8:06 PM
Moonset: 12:30 AM
Moon Phase: First Quarter
Moon Illumination: 59.1%
Best Times for Fishing or Hunting
Major Periods
8:36 AM - 11:06 AM7:36 PM - 10:06 PM
Minor Periods
2:34 PM - 4:04 PM12:00 AM - 12:00 AM
Action Rating: 2 out of 5
Weather Forecast
Average Temperature: 73.7°F
Average Humidity: 88%
Wind: 11 mph
UV Index: 1.9
Air Quality
Nitrogen Dioxide: 4.03 μg/m3
Sulphur Dioxide: 1.75 μg/m3
Ozone: 83.32 μg/m3
Astronomical
Sun Transit: 1:25 PM
Sunset: 8:18 PM
Daylight: 13 hrs 43 mins
Moon Transit: 8:56 PM
Moonset: 1:04 AM
Moon Phase: First Quarter
Moon Illumination: 70.0%
Best Times for Fishing or Hunting
Major Periods
9:24 AM - 11:54 AM8:26 PM - 10:56 PM
Minor Periods
3:34 PM - 5:04 PM12:34 AM - 2:04 AM
Action Rating: 3 out of 5
Weather Forecast
Average Temperature: 77.9°F
Average Humidity: 66%
Wind: 10.5 mph
UV Index: 2.4
Air Quality
Nitrogen Dioxide: 4.88 μg/m3
Sulphur Dioxide: 2.12 μg/m3
Ozone: 74.16 μg/m3
Astronomical
Sun Transit: 1:25 PM
Sunset: 8:17 PM
Daylight: 13 hrs 42 mins
Moon Transit: 9:48 PM
Moonset: 1:45 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 79.8%
Best Times for Fishing or Hunting
Major Periods
10:15 AM - 12:45 AM9:18 PM - 11:48 PM
Minor Periods
4:32 PM - 6:02 PM1:15 AM - 2:45 AM
Action Rating: 2 out of 5
Weather Forecast
Average Temperature: 78.1°F
Average Humidity: 74%
Wind: 10.7 mph
UV Index: 0.1
Air Quality
Nitrogen Dioxide: 6.23 μg/m3
Sulphur Dioxide: 2.43 μg/m3
Ozone: 63.54 μg/m3
Astronomical
Sun Transit: 1:25 PM
Sunset: 8:16 PM
Daylight: 13 hrs 40 mins
Moon Transit: 10:42 PM
Moonset: 2:34 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 88.0%
Best Times for Fishing or Hunting
Major Periods
11:09 AM - 1:39 PM12:00 AM - 12:00 AM
Minor Periods
5:27 PM - 6:57 PM2:04 AM - 3:34 AM
Action Rating: 2 out of 5