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.

A Few Clouds

82°F

28°C

Humidity 94%
Wind Speed Calm
Barometer 29.96 in
Dewpoint 81°F (27°C)
Visibility 10.00 mi
Heat Index93°F (34°C)
Last update 14 Aug 3:35 am EDT
Extended Forecast for

3 Miles WNW Charleston SC

  • Overnight

    Overnight: Partly cloudy, with a low around 78. Southwest wind around 6 mph.

    Low: 78 °F

    Partly Cloudy

  • Thursday

    Thursday: A 30 percent chance of showers and thunderstorms, mainly after 3pm. Mostly sunny, with a high near 89. Heat index values as high as 105. Southwest wind 5 to 11 mph, with gusts as high as 20 mph.

    High: 89 °F

    Mostly Sunny
    then Chance
    T-storms

  • Thursday Night

    Thursday Night: A 30 percent chance of showers and thunderstorms, mainly before midnight. Partly cloudy, with a low around 77. Southwest wind 3 to 8 mph.

    Low: 77 °F

    Chance
    T-storms

  • Friday

    Friday: A 40 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 92. Heat index values as high as 103. Light and variable wind becoming northwest around 5 mph in the afternoon.

    High: 92 °F

    Mostly Sunny
    then Chance
    T-storms

  • Friday Night

    Friday Night: A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 76. Light and variable wind.

    Low: 76 °F

    Chance
    T-storms

  • Saturday

    Saturday: Showers and thunderstorms likely, mainly between 2pm and 5pm, then showers likely and possibly a thunderstorm after 5pm. Partly sunny, with a high near 88. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 88 °F

    Chance
    T-storms then
    T-storms
    Likely

  • Saturday Night

    Saturday Night: Showers likely and possibly a thunderstorm before 8pm, then a slight chance of showers and thunderstorms after 8pm. Partly cloudy, with a low around 74. Chance of precipitation is 60%.

    Low: 74 °F

    Showers
    Likely then
    Slight Chance
    T-storms

  • Sunday

    Sunday: A 40 percent chance of showers and thunderstorms, mainly after 2pm. Mostly sunny, with a high near 88.

    High: 88 °F

    Chance
    T-storms

  • Sunday Night

    Sunday Night: A 30 percent chance of showers and thunderstorms before 8pm. Mostly clear, with a low around 74.

    Low: 74 °F

    Chance
    T-storms then
    Mostly Clear

Detailed Forecast

Overnight
Partly cloudy, with a low around 78. Southwest wind around 6 mph.
Thursday
A 30 percent chance of showers and thunderstorms, mainly after 3pm. Mostly sunny, with a high near 89. Heat index values as high as 105. Southwest wind 5 to 11 mph, with gusts as high as 20 mph.
Thursday Night
A 30 percent chance of showers and thunderstorms, mainly before midnight. Partly cloudy, with a low around 77. Southwest wind 3 to 8 mph.
Friday
A 40 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 92. Heat index values as high as 103. Light and variable wind becoming northwest around 5 mph in the afternoon.
Friday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 76. Light and variable wind.
Saturday
Showers and thunderstorms likely, mainly between 2pm and 5pm, then showers likely and possibly a thunderstorm after 5pm. Partly sunny, with a high near 88. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday Night
Showers likely and possibly a thunderstorm before 8pm, then a slight chance of showers and thunderstorms after 8pm. Partly cloudy, with a low around 74. Chance of precipitation is 60%.
Sunday
A 40 percent chance of showers and thunderstorms, mainly after 2pm. Mostly sunny, with a high near 88.
Sunday Night
A 30 percent chance of showers and thunderstorms before 8pm. Mostly clear, with a low around 74.
Monday
A 20 percent chance of showers and thunderstorms after 2pm. Sunny, with a high near 89.
Monday Night
Mostly clear, with a low around 74.
Tuesday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 89.
Tuesday Night
A 30 percent chance of showers and thunderstorms. Mostly clear, with a low around 74.
Wednesday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 89.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles WNW Charleston SC
 32.8°N 80.03°W (Elev. 10 ft)
Last Update:
2:15 am EDT Aug 14, 2025
Forecast Valid:
3am EDT Aug 14, 2025-6pm EDT Aug 20, 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