Weather for St. Stephen, South Carolina
Current Weather
Five Day Weather Forecast
Fri
H: 91°F
L: 75°F
Sat
H: 90°F
L: 68°F
Sun
H: 94°F
L: 70°F
Mon
H: 97°F
L: 72°F
Tue
H: 95°F
L: 76°F
Air Quality
Nitrogen Dioxide: 3.2 μg/m3
Sulphur Dioxide: 0.7 μg/m3
Ozone: 54 μg/m3
Astronomical
Sun Transit: 1:21 PM
Sunset: 8:33 PM
Daylight: 14 hrs 22 mins
Moon Transit: 5:50 PM
Moonset: 12:53 AM
Moon Phase: Waxing Crescent
Moon Illumination: 18.3%
Best Times for Fishing or Hunting
Major Periods
6:20 AM - 8:50 AM5:20 PM - 7:50 PM
Minor Periods
10:37 AM - 12:07 AM12:00 AM - 12:00 AM
Action Rating: 3 out of 5
Small Craft Advisory issued June 18 at 2:06PM EDT until June 19 at 6:00AM EDT by NWS Charleston SC
Effective: Thu June 18, 2026, 2:06 PM
Expires: Thu June 18, 2026, 10:15 PM
* WHAT...For the Small Craft Advisory, southwest winds 15 to 25 kt with gusts up to 30 kt and seas 3 to 6 ft. For the Gale Warning, southwest winds 20 to 30 kt with gusts up to 40 kt and seas 5 to 8 ft expected. * WHERE...South Santee River to Edisto Beach out 20 NM. * WHEN...For the Small Craft Advisory, until 6 AM EDT Friday. For the Gale Warning, from 6 AM to 4 PM EDT Friday. * IMPACTS...Strong winds will cause hazardous seas which could capsize or damage vessels and reduce visibility.
Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions.
Gale Warning issued June 18 at 2:06PM EDT until June 19 at 4:00PM EDT by NWS Charleston SC
Effective: Thu June 18, 2026, 2:06 PM
Expires: Thu June 18, 2026, 10:15 PM
* WHAT...For the Small Craft Advisory, southwest winds 15 to 25 kt with gusts up to 30 kt and seas 3 to 6 ft. For the Gale Warning, southwest winds 20 to 30 kt with gusts up to 40 kt and seas 5 to 8 ft expected. * WHERE...South Santee River to Edisto Beach out 20 NM. * WHEN...For the Small Craft Advisory, until 6 AM EDT Friday. For the Gale Warning, from 6 AM to 4 PM EDT Friday. * IMPACTS...Strong winds will cause hazardous seas which could capsize or damage vessels and reduce visibility.
Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions.
Small Craft Advisory issued June 18 at 7:31PM EDT until June 19 at 6:00AM EDT by NWS Charleston SC
Effective: Thu June 18, 2026, 7:31 PM
Expires: Fri June 19, 2026, 3:45 AM
* WHAT...For the Small Craft Advisory, southwest winds 15 to 25 kt with gusts up to 30 kt and seas 3 to 6 ft. For the Gale Warning, southwest winds 20 to 30 kt with gusts up to 40 kt and seas 5 to 8 ft expected. * WHERE...South Santee River to Edisto Beach out 20 NM. * WHEN...For the Small Craft Advisory, until 6 AM EDT Friday. For the Gale Warning, from 6 AM to 4 PM EDT Friday. * IMPACTS...Strong winds will cause hazardous seas which could capsize or damage vessels and reduce visibility.
Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions.
Gale Warning issued June 18 at 7:31PM EDT until June 19 at 4:00PM EDT by NWS Charleston SC
Effective: Thu June 18, 2026, 7:31 PM
Expires: Fri June 19, 2026, 3:45 AM
* WHAT...For the Small Craft Advisory, southwest winds 15 to 25 kt with gusts up to 30 kt and seas 3 to 6 ft. For the Gale Warning, southwest winds 20 to 30 kt with gusts up to 40 kt and seas 5 to 8 ft expected. * WHERE...South Santee River to Edisto Beach out 20 NM. * WHEN...For the Small Craft Advisory, until 6 AM EDT Friday. For the Gale Warning, from 6 AM to 4 PM EDT Friday. * IMPACTS...Strong winds will cause hazardous seas which could capsize or damage vessels and reduce visibility.
Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions.
Weather Forecast
Air Quality
Nitrogen Dioxide: 2.08 μg/m3
Sulphur Dioxide: 0.55 μg/m3
Ozone: 64.21 μg/m3
Astronomical
Sun Transit: 1:21 PM
Sunset: 8:33 PM
Daylight: 14 hrs 22 mins
Moon Transit: 5:50 PM
Moonset: 12:53 AM
Moon Phase: Waxing Crescent
Moon Illumination: 18.3%
Best Times for Fishing or Hunting
Major Periods
6:20 AM - 8:50 AM5:20 PM - 7:50 PM
Minor Periods
10:37 AM - 12:07 AM12:00 AM - 12:00 AM
Action Rating: 3 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 3.31 μg/m3
Sulphur Dioxide: 0.8 μg/m3
Ozone: 74.92 μg/m3
Astronomical
Sun Transit: 1:21 PM
Sunset: 8:33 PM
Daylight: 14 hrs 22 mins
Moon Transit: 6:36 PM
Moonset: 12:24 AM
Moon Phase: Waxing Crescent
Moon Illumination: 27.8%
Best Times for Fishing or Hunting
Major Periods
7:07 AM - 9:37 AM6:06 PM - 8:36 PM
Minor Periods
11:42 AM - 1:12 PM12:00 AM - 12:00 AM
Action Rating: 3 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 2.35 μg/m3
Sulphur Dioxide: 0.9 μg/m3
Ozone: 99.88 μg/m3
Astronomical
Sun Transit: 1:21 PM
Sunset: 8:33 PM
Daylight: 14 hrs 22 mins
Moon Transit: 7:19 PM
Moonset: 12:52 AM
Moon Phase: First Quarter
Moon Illumination: 38.5%
Best Times for Fishing or Hunting
Major Periods
7:51 AM - 10:21 AM6:49 PM - 9:19 PM
Minor Periods
12:43 AM - 2:13 PM12:22 AM - 1:52 AM
Action Rating: 2 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 1.64 μg/m3
Sulphur Dioxide: 0.4 μg/m3
Ozone: 64.17 μg/m3
Astronomical
Sun Transit: 1:21 PM
Sunset: 8:33 PM
Daylight: 14 hrs 22 mins
Moon Transit: 8:02 PM
Moonset: 1:18 AM
Moon Phase: First Quarter
Moon Illumination: 49.7%
Best Times for Fishing or Hunting
Major Periods
8:33 AM - 11:03 AM7:32 PM - 10:02 PM
Minor Periods
1:43 PM - 3:13 PM12:48 AM - 2:18 AM
Action Rating: 2 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 2.08 μg/m3
Sulphur Dioxide: 0.34 μg/m3
Ozone: 47.22 μg/m3
Astronomical
Sun Transit: 1:22 PM
Sunset: 8:33 PM
Daylight: 14 hrs 22 mins
Moon Transit: 8:44 PM
Moonset: 1:44 AM
Moon Phase: First Quarter
Moon Illumination: 61.0%
Best Times for Fishing or Hunting
Major Periods
9:16 AM - 11:46 AM8:14 PM - 10:44 PM
Minor Periods
2:41 PM - 4:11 PM1:14 AM - 2:44 AM
Action Rating: 3 out of 5