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.

Mostly Cloudy

81°F

27°C

Humidity 88%
Wind Speed SW 8 mph
Barometer 30.06 in (1017.8 mb)
Dewpoint 77°F (25°C)
Visibility 10.00 mi
Heat Index88°F (31°C)
Last update 25 Jul 8:56 am EDT
Extended Forecast for

3 Miles SSW North Charleston SC

  • Today

    Today: Showers and thunderstorms likely before 3pm, then showers and possibly a thunderstorm between 3pm and 5pm, then showers and thunderstorms likely after 5pm. High near 90. Heat index values as high as 108. Southwest wind around 6 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    High: 90 °F

    Slight Chance
    T-storms then
    T-storms

  • Tonight

    Tonight: Showers and thunderstorms, mainly before 2am. Low around 75. Light and variable wind. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 75 °F

    T-storms then
    Showers
    Likely

  • Sunday

    Sunday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 4pm. Increasing clouds, with a high near 90. Heat index values as high as 102. Light and variable wind becoming north around 5 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 90 °F

    Slight Chance
    T-storms then
    Showers
    Likely

  • Sunday Night

    Sunday Night: Showers and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am. Low around 74. Light and variable wind. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 74 °F

    Showers then
    Chance
    Showers

  • Monday

    Monday: Mostly sunny, with a high near 92. Calm wind becoming southeast around 6 mph in the afternoon.

    High: 92 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 76.

    Low: 76 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 95.

    High: 95 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 79.

    Low: 79 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A 50 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 95.

    High: 95 °F

    Mostly Sunny
    then Chance
    T-storms

Detailed Forecast

Today
Showers and thunderstorms likely before 3pm, then showers and possibly a thunderstorm between 3pm and 5pm, then showers and thunderstorms likely after 5pm. High near 90. Heat index values as high as 108. Southwest wind around 6 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Tonight
Showers and thunderstorms, mainly before 2am. Low around 75. Light and variable wind. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.
Sunday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 4pm. Increasing clouds, with a high near 90. Heat index values as high as 102. Light and variable wind becoming north around 5 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday Night
Showers and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am. Low around 74. Light and variable wind. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Monday
Mostly sunny, with a high near 92. Calm wind becoming southeast around 6 mph in the afternoon.
Monday Night
Mostly clear, with a low around 76.
Tuesday
Sunny, with a high near 95.
Tuesday Night
Partly cloudy, with a low around 79.
Wednesday
A 50 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 95.
Wednesday Night
A 30 percent chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 76.
Thursday
A 20 percent chance of showers and thunderstorms. Sunny, with a high near 93.
Thursday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 75.
Friday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 93.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SSW North Charleston SC
 32.87°N 80.05°W (Elev. 10 ft)
Last Update:
8:30 am EDT Jul 25, 2026
Forecast Valid:
9am EDT Jul 25, 2026-6pm EDT Jul 31, 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