Current conditions at

Charleston Executive Airport (KJZI)

Lat: 32.7°NLon: 80°WElev: 16ft.

Fair

63°F

17°C

Humidity 60%
Wind Speed E 9 mph
Barometer 30.19 in
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Last update 13 Mar 1:35 pm EDT
Extended Forecast for

Sullivans Island SC

  • This Afternoon

    This Afternoon: Sunny, with a high near 62. Southeast wind around 7 mph.

    High: 62 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 54. Calm wind.

    Low: 54 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 68. Calm wind becoming east 5 to 7 mph in the afternoon.

    High: 68 °F

    Sunny

  • Saturday Night

    Saturday Night: A 20 percent chance of showers after 2am.  Mostly clear, with a low around 60. East wind around 6 mph.

    Low: 60 °F

    Mostly Clear
    then Slight
    Chance
    Showers

  • Sunday

    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 7 to 11 mph.  Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 70 °F

    Showers
    Likely

  • Sunday Night

    Sunday Night: Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am, then showers and possibly a thunderstorm after 2am.  Low around 63. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 63 °F

    Showers

  • Monday

    Monday: Showers and possibly a thunderstorm.  High near 70. Breezy.  Chance of precipitation is 80%.

    High: 70 °F

    Showers and
    Breezy

  • Monday Night

    Monday Night: A 40 percent chance of showers and thunderstorms before 2am.  Mostly cloudy, with a low around 40.

    Low: 40 °F

    Chance
    Showers

  • Tuesday

    Tuesday: Mostly sunny, with a high near 53.

    High: 53 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 62. Southeast wind around 7 mph.
Tonight
Mostly clear, with a low around 54. Calm wind.
Saturday
Sunny, with a high near 68. Calm wind becoming east 5 to 7 mph in the afternoon.
Saturday Night
A 20 percent chance of showers after 2am. Mostly clear, with a low around 60. East wind around 6 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 7 to 11 mph. Chance of precipitation is 60%. 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 and possibly a thunderstorm after 2am. Low around 63. Chance of precipitation is 80%. 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. Chance of precipitation is 80%.
Monday Night
A 40 percent chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 40.
Tuesday
Mostly sunny, with a high near 53.
Tuesday Night
Partly cloudy, with a low around 40.
Wednesday
Mostly sunny, with a high near 54.
Wednesday Night
Partly cloudy, with a low around 45.
Thursday
Mostly sunny, with a high near 60.
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ABOUT THIS FORECAST

 
Point Forecast:
Sullivans Island SC
 32.76°N 79.85°W (Elev. 0 ft)
8:33 am EDT Mar 13, 2026
1pm EDT Mar 13, 2026-6pm EDT Mar 19, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database