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

Hazardous Weather Conditions

Current conditions at

Charleston Executive Airport (KJZI)

Lat: 32.7°NLon: 80°WElev: 16ft.

Partly Cloudy

84°F

29°C

Humidity 55%
Wind Speed Vrbl 3 mph
Barometer 30.16 in
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Heat Index86°F (30°C)
Last update 20 May 10:35 am EDT
Extended Forecast for

Charleston SC

  • Today

    Today: Sunny, with a high near 87. Light south wind becoming southeast 10 to 15 mph in the afternoon.

    High: 87 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 69. South wind 5 to 8 mph becoming calm in the evening.

    Low: 69 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 89. Light and variable wind becoming south 5 to 10 mph in the afternoon.

    High: 89 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 73. South wind 5 to 7 mph becoming calm in the evening.

    Low: 73 °F

    Mostly Clear

  • Friday

    Friday: A 20 percent chance of showers before 2pm. Mostly sunny, with a high near 87. Light southeast wind becoming south 6 to 11 mph in the morning.

    High: 87 °F

    Slight Chance
    Showers

  • Friday Night

    Friday Night: A 20 percent chance of showers after 2am. Partly cloudy, with a low around 75.

    Low: 75 °F

    Partly Cloudy
    then Slight
    Chance
    Showers

  • Saturday

    Saturday: A 40 percent chance of showers and thunderstorms, mainly between 8am and 2pm. Partly sunny, with a high near 88.

    High: 88 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 75.

    Low: 75 °F

    Mostly Cloudy

  • Sunday

    Sunday: A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 88.

    High: 88 °F

    Chance
    Showers then
    Chance
    T-storms

Detailed Forecast

Today
Sunny, with a high near 87. Light south wind becoming southeast 10 to 15 mph in the afternoon.
Tonight
Mostly clear, with a low around 69. South wind 5 to 8 mph becoming calm in the evening.
Thursday
Mostly sunny, with a high near 89. Light and variable wind becoming south 5 to 10 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 73. South wind 5 to 7 mph becoming calm in the evening.
Friday
A 20 percent chance of showers before 2pm. Mostly sunny, with a high near 87. Light southeast wind becoming south 6 to 11 mph in the morning.
Friday Night
A 20 percent chance of showers after 2am. Partly cloudy, with a low around 75.
Saturday
A 40 percent chance of showers and thunderstorms, mainly between 8am and 2pm. Partly sunny, with a high near 88.
Saturday Night
Mostly cloudy, with a low around 75.
Sunday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 88.
Sunday Night
A chance of thunderstorms before 8pm. Mostly cloudy, with a low around 74. Chance of precipitation is 30%.
Memorial Day
A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 87.
Monday Night
Partly cloudy, with a low around 74.
Tuesday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 88.
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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:
8:33 am EDT May 20, 2026
Forecast Valid:
10am EDT May 20, 2026-6pm EDT May 26, 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