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.

Partly Cloudy

84°F

29°C

Humidity 84%
Wind Speed NE 7 mph
Barometer 30.06 in
Dewpoint 79°F (26°C)
Visibility 10.00 mi
Heat Index96°F (36°C)
Last update 3 Sep 9:35 am EDT
Extended Forecast for

3 Miles WNW Charleston SC

  • Today

    Today: Mostly sunny, with a high near 90. Heat index values as high as 103. Light and variable wind becoming southeast 6 to 11 mph in the morning.

    High: 90 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 77. Southeast wind around 6 mph becoming calm in the evening.

    Low: 77 °F

    Mostly Clear

  • Friday

    Friday: A slight chance of showers before 2pm, then a slight chance of showers and thunderstorms between 2pm and 3pm. Mostly sunny, with a high near 90. Heat index values as high as 103. Calm wind becoming south 5 to 8 mph in the afternoon. Chance of precipitation is 20%.

    High: 90 °F

    Slight Chance
    Showers then
    Slight Chance
    T-storms

  • Friday Night

    Friday Night: Mostly clear, with a low around 77. Southwest wind 3 to 6 mph.

    Low: 77 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 94. Southwest wind 3 to 6 mph.

    High: 94 °F

    Sunny

  • Saturday Night

    Saturday Night: A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 76.

    Low: 76 °F

    Chance
    T-storms

  • Sunday

    Sunday: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 2pm. High near 90. Chance of precipitation is 80%.

    High: 90 °F

    Chance
    T-storms then
    T-storms

  • Sunday Night

    Sunday Night: Showers and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms after 8pm. Low around 73. Chance of precipitation is 80%.

    Low: 73 °F

    T-storms then
    Chance
    T-storms

  • Labor Day

    Labor Day: A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 84.

    High: 84 °F

    Chance
    Showers then
    Chance
    T-storms

Detailed Forecast

Today
Mostly sunny, with a high near 90. Heat index values as high as 103. Light and variable wind becoming southeast 6 to 11 mph in the morning.
Tonight
Mostly clear, with a low around 77. Southeast wind around 6 mph becoming calm in the evening.
Friday
A slight chance of showers before 2pm, then a slight chance of showers and thunderstorms between 2pm and 3pm. Mostly sunny, with a high near 90. Heat index values as high as 103. Calm wind becoming south 5 to 8 mph in the afternoon. Chance of precipitation is 20%.
Friday Night
Mostly clear, with a low around 77. Southwest wind 3 to 6 mph.
Saturday
Sunny, with a high near 94. Southwest wind 3 to 6 mph.
Saturday Night
A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 76.
Sunday
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 2pm. High near 90. Chance of precipitation is 80%.
Sunday Night
Showers and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms after 8pm. Low around 73. Chance of precipitation is 80%.
Labor Day
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 84.
Monday Night
A 30 percent chance of showers and thunderstorms, mainly before 8pm. Partly cloudy, with a low around 73.
Tuesday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 85.
Tuesday Night
Partly cloudy, with a low around 72.
Wednesday
A 20 percent chance of showers. Mostly sunny, with a high near 87.
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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:
8:32 am EDT Sep 3, 2026
Forecast Valid:
9am EDT Sep 3, 2026-6pm EDT Sep 9, 2026
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation