National Weather Service

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KCLX Radar Down for Required Dome Maintenance March 17-20, 2026
South Carolina Severe Weather and Flood Awareness Week: March 8-14, 2026
NWS Charleston To Implement Minor Public, Fire Weather and Marine Zone Changes on April 16, 2026

Hazardous Weather Conditions

Special Weather Statement

Current conditions at

Charleston Executive Airport (KJZI)

Lat: 32.7°NLon: 80°WElev: 16ft.

Fog

48°F

9°C

Humidity	100%
Wind Speed	Calm
Barometer	30.10 in
Dewpoint	48°F (9°C)
Visibility	0.25 mi
Last update	14 Mar 5:55 am EDT

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Extended Forecast for

Sullivans Island SC

Today
High: 68 °F
Becoming
Sunny
Tonight
Low: 59 °F
Partly Cloudy
Sunday
High: 70 °F
Chance
T-storms then
Showers
Likely
Sunday Night
Low: 63 °F
Showers
Likely
Monday
High: 70 °F
Showers and
Breezy
Monday Night
Low: 38 °F
Slight Chance
Showers
Tuesday
High: 50 °F
Partly Sunny
Tuesday Night
Low: 38 °F
Mostly Cloudy
Wednesday
High: 54 °F
Mostly Sunny

Detailed Forecast

Today

Partly sunny, then gradually becoming sunny, with a high near 68. Calm wind becoming east 5 to 7 mph in the afternoon.

Tonight

Partly cloudy, with a low around 59. East wind around 7 mph.

Sunday

A chance of showers before 11am, then a chance of showers and thunderstorms between 11am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 70. East wind 9 to 13 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Sunday Night

Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am, then showers likely and possibly a thunderstorm after 2am. Mostly cloudy, with a low around 63. South wind 8 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Monday

Showers and possibly a thunderstorm. High near 70. Breezy, with a south wind 15 to 22 mph, with gusts as high as 33 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

Monday Night

A 20 percent chance of showers before 2am. Mostly cloudy, with a low around 38.

Tuesday

Partly sunny, with a high near 50.

Tuesday Night

Mostly cloudy, with a low around 38.

Wednesday

Mostly sunny, with a high near 54.

Wednesday Night

Mostly cloudy, with a low around 44.

Thursday

Partly sunny, with a high near 61.