National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Charleston Executive Airport (KJZI)

Lat: 32.7°NLon: 80°WElev: 16ft.

Partly Cloudy

64°F

18°C

Humidity 100%
Wind Speed S 3 mph
Barometer 30.11 in
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Last update 10 Mar 6:55 am EDT
Extended Forecast for

Sullivans Island SC

  • Today

    Today: A slight chance of showers between 8am and 11am, then a slight chance of showers and thunderstorms after 11am. Partly sunny, with a high near 69. South wind 5 to 8 mph. Chance of precipitation is 20%.

    High: 69 °F

    Slight Chance
    T-storms

  • Tonight

    Tonight: Partly cloudy, with a low around 62. Southwest wind 6 to 8 mph.

    Low: 62 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Patchy fog between 7am and 8am. Otherwise, mostly sunny, with a high near 73. South wind 6 to 14 mph.

    High: 73 °F

    Patchy Fog
    then Partly
    Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 62. South wind 11 to 13 mph, with gusts as high as 22 mph.

    Low: 62 °F

    Mostly Cloudy

  • Thursday

    Thursday: A chance of showers before 11am, then a chance of showers and thunderstorms between 11am and 2pm, then showers and possibly a thunderstorm after 2pm. High near 70. Southwest wind 11 to 15 mph, with gusts as high as 22 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    High: 70 °F

    Chance
    Showers then
    Showers

  • Thursday Night

    Thursday Night: Showers and possibly a thunderstorm before 8pm, then a chance of showers between 8pm and 2am. Low around 48. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 48 °F

    Showers then
    Chance
    Showers

  • Friday

    Friday: Mostly sunny, with a high near 63.

    High: 63 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 54.

    Low: 54 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 67.

    High: 67 °F

    Mostly Sunny

Detailed Forecast

Today
A slight chance of showers between 8am and 11am, then a slight chance of showers and thunderstorms after 11am. Partly sunny, with a high near 69. South wind 5 to 8 mph. Chance of precipitation is 20%.
Tonight
Partly cloudy, with a low around 62. Southwest wind 6 to 8 mph.
Wednesday
Patchy fog between 7am and 8am. Otherwise, mostly sunny, with a high near 73. South wind 6 to 14 mph.
Wednesday Night
Mostly cloudy, with a low around 62. South wind 11 to 13 mph, with gusts as high as 22 mph.
Thursday
A chance of showers before 11am, then a chance of showers and thunderstorms between 11am and 2pm, then showers and possibly a thunderstorm after 2pm. High near 70. Southwest wind 11 to 15 mph, with gusts as high as 22 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Thursday Night
Showers and possibly a thunderstorm before 8pm, then a chance of showers between 8pm and 2am. Low around 48. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday
Mostly sunny, with a high near 63.
Friday Night
Partly cloudy, with a low around 54.
Saturday
Mostly sunny, with a high near 67.
Saturday Night
A 20 percent chance of showers after 2am. Partly cloudy, with a low around 60.
Sunday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 71.
Sunday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 61. Chance of precipitation is 60%.
Monday
Showers likely. Mostly cloudy, with a high near 69. Chance of precipitation is 60%.
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ABOUT THIS FORECAST

 
Point Forecast:
Sullivans Island SC
 32.76°N 79.85°W (Elev. 0 ft)
Last Update:
5:52 am EDT Mar 10, 2026
Forecast Valid:
7am EDT Mar 10, 2026-6pm EDT Mar 16, 2026
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation