Weather in Sullivans Island, SC
Updated 2026-09-26 11:15 local time · ZIP codes 29482
Sunny
No government weather alerts were returned for this location at the latest update.
Next hours
69°1% rain72°1% rain74°1% rain75°0% rain77°0% rain78°1% rain79°1% rain79°1% rain78°1% rain
78°1% rain77°1% rain77°1% rain3-day weather forecast
Weather details
Sunrise, sunset and moon
Key weather changes ahead
Weather insights for today
Rain chance stays relatively low over the next 12 hours (up to 1%).
It feels like 62°F with winds near 11 mph.
69°F, 1% rain chance and 11 mph wind.
Visibility is around 6 mi; gusts may reach 15 mph.
Current temperature is 69°F, wind 11 mph, rain chance up to 1%.
UV index is 4. Sunscreen and sunglasses are sensible for longer outdoor time.
Local weather characteristics in Sullivans Island
South Carolina has hot humid summers and generally mild winters. Coastal areas are exposed to tropical systems, while the northwest is somewhat cooler with elevation.
Sullivans Island is part of the South weather region. The forecast point is near 32.76°N latitude and 79.84°W longitude. Local temperature, wind and precipitation can still differ from nearby places, especially where terrain, coastlines or urban development create small-scale weather changes.
Sullivans Island weather today
Sunny and 69°F in Sullivans Island, SC. Today's high is 79°F with a 1% rain chance. Winds are around 11 mph with gusts near 13 mph. Relative humidity is 43%, pressure is 30.01 inHg, and visibility is about 6 miles.
Tonight and tomorrow in Sullivans Island
Sunrise is at 07:10 AM and sunset is at 07:11 PM. Tomorrow's forecast calls for Sunny with a high near 78°F and a low near 67°F. The maximum rain chance is 5%.