Sullivans Island, SC Weather Forecast
Local 7-day forecast
Partly Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Sullivans Island, SC in one place.
Partly sunny, with a high near 84. South wind around 12 mph.
Local Weather Overview
This forecast page for Sullivans Island, SC is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: Jun 8, 2026 5:26 PM EDT.
The active forecast window currently covers Jun 8 to Jun 14, 2026 for Sullivans Island, SC.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jun 8 to Jun 14, 2026
- Latest sync
- Jun 8, 2026 5:26 PM EDT
- Forecast office
- CHS
- Source
- NOAA / NWS
Daily Outlook
This Week in Sullivans Island
Friday looks like the warmest upcoming period in Sullivans Island at 85 degrees F.
Tonight is the coolest period ahead with temperatures near 78 degrees F.
The strongest winds are forecast for Thursday at about 8 to 15 mph SW.
Precipitation is mentioned in 6 upcoming forecast periods.
Forecast Details
- Last updated
- Jun 8, 2026 5:26 PM EDT
- Coverage
- 7 days
- Time zone
- America/New_York
- Forecast office
- CHS
- Radar station
- KCLX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Mostly cloudy, with a low around 78. South wind 2 to 9 mph.
Partly sunny, with a high near 81. Southeast wind 2 to 10 mph.
Mostly cloudy, with a low around 78. Southeast wind 3 to 9 mph.
Mostly sunny, with a high near 82. Southwest wind 3 to 14 mph.
Partly cloudy, with a low around 79.
Sunny, with a high near 84.
Mostly clear, with a low around 79.
A slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 85. Chance of precipitation is 20%.
A slight chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 79. Chance of precipitation is 20%.
A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 85. Chance of precipitation is 40%.
A chance of showers and thunderstorms. Mostly cloudy, with a low around 80. Chance of precipitation is 40%.
A slight chance of rain showers before 8am, then a chance of showers and thunderstorms. Partly sunny, with a high near 83. Chance of precipitation is 30%.
A chance of showers and thunderstorms. Mostly cloudy, with a low around 78. Chance of precipitation is 30%.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
This Afternoon
Jun 8
|
Partly Sunny
|
84°F |
12 mph
S
|
|
Tonight
Jun 8
|
Mostly Cloudy
|
78°F |
2 to 9 mph
S
|
|
Tuesday
Jun 9
|
Partly Sunny
|
81°F |
2 to 10 mph
SE
|
|
Tuesday Night
Jun 9
|
Mostly Cloudy
|
78°F |
3 to 9 mph
SE
|
|
Wednesday
Jun 10
|
Mostly Sunny
|
82°F |
3 to 14 mph
SW
|
|
Wednesday Night
Jun 10
|
Partly Cloudy
|
79°F |
9 to 13 mph
SW
|
|
Thursday
Jun 11
|
Sunny
|
84°F |
8 to 15 mph
SW
|
|
Thursday Night
Jun 11
|
Mostly Clear
|
79°F |
9 to 15 mph
SW
|
|
Friday
Jun 12
|
Mostly Sunny then Slight Chance Showers And Thunderstorms
|
85°F |
8 to 15 mph
SW
|
|
Friday Night
Jun 12
|
Slight Chance Showers And Thunderstorms
|
79°F |
9 to 15 mph
SW
|
|
Saturday
Jun 13
|
Mostly Sunny then Chance Showers And Thunderstorms
|
85°F |
6 to 14 mph
SW
|
|
Saturday Night
Jun 13
|
Chance Showers And Thunderstorms
|
80°F |
6 to 12 mph
SW
|
|
Sunday
Jun 14
|
Slight Chance Rain Showers then Chance Showers And Thunderstorms
|
83°F |
6 to 14 mph
SW
|
|
Sunday Night
Jun 14
|
Chance Showers And Thunderstorms
|
78°F |
8 to 14 mph
SW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Sullivans Island.