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.

Overcast

79°F

26°C

Humidity 84%
Wind Speed Calm
Barometer 29.99 in
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index83°F (28°C)
Last update 29 Jun 3:35 am EDT
Extended Forecast for

Charleston SC

  • Overnight

    Overnight: A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 79. Southwest wind around 5 mph.

    Low: 79 °F

    Slight Chance
    T-storms

  • Monday

    Monday: A 30 percent chance of showers and thunderstorms, mainly between 2pm and 4pm. Sunny, with a high near 95. Heat index values as high as 106. Northwest wind 5 to 8 mph becoming north in the afternoon.

    High: 95 °F

    Sunny then
    Chance
    T-storms

  • Monday Night

    Monday Night: Mostly clear, with a low around 78. Southeast wind around 6 mph becoming calm in the evening.

    Low: 78 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 92. Heat index values as high as 101. Northeast wind 7 to 11 mph.

    High: 92 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 75. East wind 5 to 9 mph becoming calm after midnight.

    Low: 75 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 92.

    High: 92 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 75.

    Low: 75 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 92.

    High: 92 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 77.

    Low: 77 °F

    Mostly Clear

Detailed Forecast

Overnight
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 79. Southwest wind around 5 mph.
Monday
A 30 percent chance of showers and thunderstorms, mainly between 2pm and 4pm. Sunny, with a high near 95. Heat index values as high as 106. Northwest wind 5 to 8 mph becoming north in the afternoon.
Monday Night
Mostly clear, with a low around 78. Southeast wind around 6 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 92. Heat index values as high as 101. Northeast wind 7 to 11 mph.
Tuesday Night
Mostly clear, with a low around 75. East wind 5 to 9 mph becoming calm after midnight.
Wednesday
Sunny, with a high near 92.
Wednesday Night
Mostly clear, with a low around 75.
Thursday
Sunny, with a high near 92.
Thursday Night
Mostly clear, with a low around 77.
Friday
Sunny, with a high near 92.
Friday Night
Mostly clear, with a low around 78.
Independence Day
Sunny, with a high near 94.
Saturday Night
Mostly clear, with a low around 80.
Sunday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 96.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Charleston SC
 32.79°N 80.01°W (Elev. 10 ft)
Last Update:
2:40 am EDT Jun 29, 2026
Forecast Valid:
3am EDT Jun 29, 2026-6pm EDT Jul 5, 2026
 
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