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

Hazardous Weather Conditions

Current conditions at

Charleston, Charleston Air Force Base (KCHS)

Lat: 32.9°NLon: 80.04°WElev: 46ft.

Partly Cloudy

90°F

32°C

Humidity 66%
Wind Speed SE 12 G 21 mph
Barometer 29.98 in (1015.1 mb)
Dewpoint 77°F (25°C)
Visibility 10.00 mi
Heat Index103°F (39°C)
Last update 4 Sep 3:56 pm EDT
Extended Forecast for

4 Miles NW Charleston SC

Heat Advisory September 5, 11:00am until September 5, 08:00pm
Click here for hazard details and duration
Heat Advisory

  • Tonight

    Tonight: Mostly clear, with a low around 77. South wind 5 to 8 mph becoming calm in the evening.

    Low: 77 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 94. Heat index values as high as 109. Calm wind becoming southwest 5 to 7 mph in the afternoon.

    High: 94 °F

    Sunny

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms between 1am and 2am. Mostly clear, with a low around 77. Southwest wind 5 to 8 mph. Chance of precipitation is 30%.

    Low: 77 °F

    Mostly Clear
    then Chance
    T-storms

  • Sunday

    Sunday: Showers likely and possibly a thunderstorm between 2pm and 5pm, then showers and thunderstorms likely after 5pm. Some of the storms could produce heavy rainfall. Mostly sunny, with a high near 92. Heat index values as high as 105. West wind 3 to 5 mph. Chance of precipitation is 70%. New rainfall amounts between three quarters and one inch possible.

    High: 92 °F

    Sunny then
    Heavy Rain

  • Sunday Night

    Sunday Night: Showers and thunderstorms likely before 8pm, then showers and possibly a thunderstorm between 8pm and 2am, then a chance of showers and thunderstorms after 2am. Some of the storms could produce heavy rainfall. Low around 74. South wind around 6 mph becoming northeast in the evening. Chance of precipitation is 80%. New rainfall amounts between three quarters and one inch possible.

    Low: 74 °F

    Heavy Rain
    then Showers

  • Labor Day

    Labor Day: A chance of showers and thunderstorms before 8am, then showers likely and possibly a thunderstorm between 8am and 2pm, then showers and thunderstorms likely after 2pm. Partly sunny, with a high near 85. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    High: 85 °F

    Showers
    Likely then
    T-storms
    Likely

  • Monday Night

    Monday Night: Showers and thunderstorms likely, mainly before 8pm. Mostly cloudy, with a low around 73. Chance of precipitation is 60%.

    Low: 73 °F

    T-storms
    Likely then
    Slight Chance
    T-storms

  • Tuesday

    Tuesday: A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 85.

    High: 85 °F

    Chance
    Showers then
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A chance of thunderstorms before 8pm, then a slight chance of showers after 2am. Partly cloudy, with a low around 74. Chance of precipitation is 30%.

    Low: 74 °F

    Chance
    T-storms then
    Slight Chance
    Showers

Detailed Forecast

Tonight
Mostly clear, with a low around 77. South wind 5 to 8 mph becoming calm in the evening.
Saturday
Sunny, with a high near 94. Heat index values as high as 109. Calm wind becoming southwest 5 to 7 mph in the afternoon.
Saturday Night
A chance of showers and thunderstorms between 1am and 2am. Mostly clear, with a low around 77. Southwest wind 5 to 8 mph. Chance of precipitation is 30%.
Sunday
Showers likely and possibly a thunderstorm between 2pm and 5pm, then showers and thunderstorms likely after 5pm. Some of the storms could produce heavy rainfall. Mostly sunny, with a high near 92. Heat index values as high as 105. West wind 3 to 5 mph. Chance of precipitation is 70%. New rainfall amounts between three quarters and one inch possible.
Sunday Night
Showers and thunderstorms likely before 8pm, then showers and possibly a thunderstorm between 8pm and 2am, then a chance of showers and thunderstorms after 2am. Some of the storms could produce heavy rainfall. Low around 74. South wind around 6 mph becoming northeast in the evening. Chance of precipitation is 80%. New rainfall amounts between three quarters and one inch possible.
Labor Day
A chance of showers and thunderstorms before 8am, then showers likely and possibly a thunderstorm between 8am and 2pm, then showers and thunderstorms likely after 2pm. Partly sunny, with a high near 85. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Monday Night
Showers and thunderstorms likely, mainly before 8pm. Mostly cloudy, with a low around 73. Chance of precipitation is 60%.
Tuesday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 85.
Tuesday Night
A chance of thunderstorms before 8pm, then a slight chance of showers after 2am. Partly cloudy, with a low around 74. Chance of precipitation is 30%.
Wednesday
A slight chance of showers, with thunderstorms also possible after 2pm. Mostly sunny, with a high near 86. Chance of precipitation is 20%.
Wednesday Night
Mostly clear, with a low around 73.
Thursday
Sunny, with a high near 90.
Thursday Night
Mostly clear, with a low around 74.
Friday
A 20 percent chance of showers and thunderstorms. Sunny, with a high near 93.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NW Charleston SC
 32.82°N 80.03°W (Elev. 10 ft)
Last Update:
2:30 pm EDT Sep 4, 2026
Forecast Valid:
4pm EDT Sep 4, 2026-6pm EDT Sep 11, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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