News Headlines
- Calling All Meteorology Students! Apply for the NWS Charleston 2026 Summer Volunteer Program
- NWS Charleston To Implement Minor Public, Fire Weather and Marine Zone Changes on March 3
- Mariners: NWS Charleston Is Expanding Marine Forecasts Out To 60 NM in South Carolina March 3
- 2026 Storm Spotter Training Schedule
Hazardous Weather Conditions
Current conditions at
Charleston Executive Airport (KJZI)
Lat: 32.7°NLon: 80°WElev: 16ft.
Fair
48°F
9°C
| Humidity | 34% |
| Wind Speed | NW 17 G 26 mph |
| Barometer | 29.74 in |
| Dewpoint | 21°F (-6°C) |
| Visibility | 10.00 mi |
| Wind Chill | 42°F (6°C) |
| Last update | 15 Jan 3:15 pm EST |
Extended Forecast for
Sullivans Island SC
Tonight

Low: 28 °F
Clear
Friday

High: 51 °F
Sunny
Friday Night

Low: 43 °F
Mostly Clear
Saturday

High: 61 °F
Mostly Sunny
Saturday Night

Low: 41 °F
Chance
ShowersSunday

High: 49 °F
Showers
LikelySunday Night

Low: 31 °F
Mostly Clear
M.L.King Day

High: 49 °F
Sunny
Monday Night

Low: 32 °F
Mostly Clear
Detailed Forecast
Tonight
Clear, with a low around 28. Northwest wind 6 to 14 mph, with gusts as high as 21 mph.
Friday
Sunny, with a high near 51. Calm wind becoming southwest 5 to 9 mph in the afternoon.
Friday Night
Mostly clear, with a low around 43. Southwest wind 7 to 9 mph.
Saturday
Mostly sunny, with a high near 61. Southwest wind 11 to 14 mph.
Saturday Night
A 40 percent chance of showers, mainly after 1am. Mostly cloudy, with a low around 41. Southwest wind 6 to 9 mph becoming northwest after midnight.
Sunday
Showers likely, mainly before 1pm. Mostly cloudy, with a high near 49. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday Night
Mostly clear, with a low around 31.
M.L.King Day
Sunny, with a high near 49.
Monday Night
Mostly clear, with a low around 32.
Tuesday
Sunny, with a high near 45.
Tuesday Night
Mostly clear, with a low around 33.
Wednesday
Mostly sunny, with a high near 53.
Wednesday Night
Mostly cloudy, with a low around 42.
Thursday
Partly sunny, with a high near 56.
Additional Forecasts and Information
Basemap Options
Click map to change the forecast location
Loading map...
ABOUT THIS FORECAST
Point Forecast:
Sullivans Island SC
32.76°N 79.85°W (Elev. 0 ft)
32.76°N 79.85°W (Elev. 0 ft)
1:30 pm EST Jan 15, 2026
3pm EST Jan 15, 2026-6pm EST Jan 22, 2026



