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.

Light Drizzle

79°F

26°C

Humidity 94%
Wind Speed Calm
Barometer 30.03 in
Dewpoint 77°F (25°C)
Visibility 10.00 mi
Heat Index83°F (28°C)
Last update 16 Aug 3:55 pm EDT
Extended Forecast for

Charleston SC

  • This Afternoon

    This Afternoon: A 50 percent chance of showers and thunderstorms. Some of the storms could produce heavy rainfall. Partly sunny, with a high near 90. Heat index values as high as 102. East wind around 7 mph. New rainfall amounts between a quarter and half of an inch possible.

    High: 90 °F

    Heavy Rain

  • Tonight

    Tonight: A slight chance of showers and thunderstorms before 3am, then a slight chance of showers and thunderstorms after 5am. Partly cloudy, with a low around 76. Calm wind. Chance of precipitation is 20%.

    Low: 76 °F

    Slight Chance
    T-storms

  • Sunday

    Sunday: A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 90. North wind 6 to 8 mph becoming east in the afternoon.

    High: 90 °F

    Sunny then
    Slight Chance
    T-storms

  • Sunday Night

    Sunday Night: Clear, with a low around 74. Southeast wind around 6 mph becoming calm in the evening.

    Low: 74 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 92. Light and variable wind becoming east 5 to 7 mph in the morning.

    High: 92 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 76.

    Low: 76 °F

    Clear

  • Tuesday

    Tuesday: A 20 percent chance of showers and thunderstorms after 2pm. Sunny, with a high near 90.

    High: 90 °F

    Sunny then
    Slight Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 76.

    Low: 76 °F

    Mostly Clear

  • Wednesday

    Wednesday: A 20 percent chance of showers and thunderstorms after 2pm. Sunny, with a high near 90.

    High: 90 °F

    Sunny then
    Slight Chance
    T-storms

Detailed Forecast

This Afternoon
A 50 percent chance of showers and thunderstorms. Some of the storms could produce heavy rainfall. Partly sunny, with a high near 90. Heat index values as high as 102. East wind around 7 mph. New rainfall amounts between a quarter and half of an inch possible.
Tonight
A slight chance of showers and thunderstorms before 3am, then a slight chance of showers and thunderstorms after 5am. Partly cloudy, with a low around 76. Calm wind. Chance of precipitation is 20%.
Sunday
A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 90. North wind 6 to 8 mph becoming east in the afternoon.
Sunday Night
Clear, with a low around 74. Southeast wind around 6 mph becoming calm in the evening.
Monday
Sunny, with a high near 92. Light and variable wind becoming east 5 to 7 mph in the morning.
Monday Night
Clear, with a low around 76.
Tuesday
A 20 percent chance of showers and thunderstorms after 2pm. Sunny, with a high near 90.
Tuesday Night
Mostly clear, with a low around 76.
Wednesday
A 20 percent chance of showers and thunderstorms after 2pm. Sunny, with a high near 90.
Wednesday Night
Mostly clear, with a low around 76.
Thursday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 91.
Thursday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 76.
Friday
Showers and thunderstorms likely. Partly sunny, with a high near 88. Chance of precipitation is 60%.
Friday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 75. Chance of precipitation is 60%.
Saturday
Showers and thunderstorms likely. Partly sunny, with a high near 88. Chance of precipitation is 60%.
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ABOUT THIS FORECAST

 
Point Forecast:
Charleston SC
 32.79°N 80.01°W (Elev. 10 ft)
Last Update:
1:48 pm EDT Aug 16, 2025
Forecast Valid:
4pm EDT Aug 16, 2025-6pm EDT Aug 23, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation