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

Charleston, Charleston Air Force Base (KCHS)

Lat: 32.9°NLon: 80.04°WElev: 46ft.

A Few Clouds

77°F

25°C

Humidity 96%
Wind Speed Calm
Barometer 30.15 in (1020.9 mb)
Dewpoint 76°F (24°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 6 Aug 2:56 am EDT
Extended Forecast for

3 Miles NNE Charleston SC

  • Overnight

    Overnight: A 30 percent chance of showers and thunderstorms, mainly after 4am. Partly cloudy, with a low around 78. Calm wind.

    Low: 78 °F

    Chance
    T-storms

  • Thursday

    Thursday: Showers and thunderstorms, mainly before noon. High near 89. Heat index values as high as 103. Calm wind becoming southeast 5 to 8 mph in the afternoon. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 89 °F

    Showers then
    Chance
    T-storms

  • Thursday Night

    Thursday Night: A slight chance of showers and thunderstorms between 3am and 5am. Mostly cloudy, then gradually becoming mostly clear, with a low around 78. South wind around 6 mph becoming calm in the evening. Chance of precipitation is 20%.

    Low: 78 °F

    Mostly Cloudy
    then Slight
    Chance
    T-storms

  • Friday

    Friday: A 30 percent chance of showers and thunderstorms, mainly between 1pm and 2pm. Mostly sunny, with a high near 90. Heat index values as high as 105. Light and variable wind becoming southeast 5 to 10 mph in the afternoon.

    High: 90 °F

    Chance
    T-storms

  • Friday Night

    Friday Night: A chance of showers between 2am and 5am, then a chance of showers and thunderstorms after 5am. Partly cloudy, with a low around 77. Southeast wind 5 to 7 mph becoming calm in the evening. Chance of precipitation is 40%.

    Low: 77 °F

    Partly Cloudy
    then Chance
    Showers

  • Saturday

    Saturday: A chance of showers and thunderstorms before 8am, then showers likely and possibly a thunderstorm between 8am and 2pm, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 89. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 89 °F

    Showers
    Likely

  • Saturday Night

    Saturday Night: A 30 percent chance of showers and thunderstorms, mainly before 8pm. Mostly cloudy, with a low around 77.

    Low: 77 °F

    Chance
    Showers then
    Slight Chance
    T-storms

  • Sunday

    Sunday: A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 91.

    High: 91 °F

    Chance
    T-storms

  • Sunday Night

    Sunday Night: A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 78.

    Low: 78 °F

    Slight Chance
    T-storms

Detailed Forecast

Overnight
A 30 percent chance of showers and thunderstorms, mainly after 4am. Partly cloudy, with a low around 78. Calm wind.
Thursday
Showers and thunderstorms, mainly before noon. High near 89. Heat index values as high as 103. Calm wind becoming southeast 5 to 8 mph in the afternoon. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.
Thursday Night
A slight chance of showers and thunderstorms between 3am and 5am. Mostly cloudy, then gradually becoming mostly clear, with a low around 78. South wind around 6 mph becoming calm in the evening. Chance of precipitation is 20%.
Friday
A 30 percent chance of showers and thunderstorms, mainly between 1pm and 2pm. Mostly sunny, with a high near 90. Heat index values as high as 105. Light and variable wind becoming southeast 5 to 10 mph in the afternoon.
Friday Night
A chance of showers between 2am and 5am, then a chance of showers and thunderstorms after 5am. Partly cloudy, with a low around 77. Southeast wind 5 to 7 mph becoming calm in the evening. Chance of precipitation is 40%.
Saturday
A chance of showers and thunderstorms before 8am, then showers likely and possibly a thunderstorm between 8am and 2pm, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 89. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday Night
A 30 percent chance of showers and thunderstorms, mainly before 8pm. Mostly cloudy, with a low around 77.
Sunday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 91.
Sunday Night
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 78.
Monday
A 40 percent chance of showers and thunderstorms, mainly after 2pm. Mostly sunny, with a high near 92.
Monday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 78.
Tuesday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 94.
Tuesday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 79.
Wednesday
Sunny, with a high near 95.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NNE Charleston SC
 32.81°N 79.98°W (Elev. 3 ft)
Last Update:
2:35 am EDT Aug 6, 2026
Forecast Valid:
3am EDT Aug 6, 2026-6pm EDT Aug 12, 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