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.

Mostly Cloudy

88°F

31°C

Humidity 63%
Wind Speed W 9 mph
Barometer 30.08 in (1018.7 mb)
Dewpoint 74°F (23°C)
Visibility 10.00 mi
Heat Index97°F (36°C)
Last update 11 Jul 10:56 am EDT
Extended Forecast for

3 Miles N Charleston SC

Heat Advisory until July 11, 07:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory until July 11, 07:00pm

    NOW until 7:00pm Sat

    Heat Advisory

  • Today

    High: 97 °F

    Slight Chance
    T-storms

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms, mainly before 8pm. Partly cloudy, with a low around 79. Southwest wind 6 to 9 mph.

    Low: 79 °F

    Chance
    T-storms then
    Partly Cloudy

  • Sunday

    Sunday: Showers and thunderstorms likely, mainly after 5pm. Mostly sunny, with a high near 96. Heat index values as high as 107. West wind around 7 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 96 °F

    Mostly Sunny
    then T-storms
    Likely

  • Sunday Night

    Sunday Night: Showers and thunderstorms before 5am, then a chance of showers. Low around 76. West wind around 6 mph becoming calm in the evening. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 76 °F

    Showers

  • Monday

    Monday: A chance of showers, then showers and thunderstorms likely after 11am. Partly sunny, with a high near 91. Calm wind becoming south 5 to 7 mph in the afternoon. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    High: 91 °F

    Chance
    Showers then
    T-storms
    Likely

  • Monday Night

    Monday Night: Showers and thunderstorms likely before 8pm, then showers likely and possibly a thunderstorm between 8pm and 2am, then a slight chance of showers and thunderstorms after 2am. Mostly cloudy, with a low around 75. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 75 °F

    T-storms
    Likely then
    Showers
    Likely

  • Tuesday

    Tuesday: Showers and thunderstorms likely, mainly after 2pm. Partly sunny, with a high near 90. Chance of precipitation is 60%.

    High: 90 °F

    Slight Chance
    T-storms then
    T-storms
    Likely

  • Tuesday Night

    Tuesday Night: Showers and thunderstorms likely, mainly before 8pm. Partly cloudy, with a low around 76. Chance of precipitation is 60%.

    Low: 76 °F

    T-storms
    Likely then
    Slight Chance
    T-storms

Detailed Forecast

Today
A slight chance of showers and thunderstorms before 3pm, then a slight chance of showers and thunderstorms after 5pm. Mostly sunny, with a high near 97. Heat index values as high as 110. West wind 10 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 20%.
Tonight
A 30 percent chance of showers and thunderstorms, mainly before 8pm. Partly cloudy, with a low around 79. Southwest wind 6 to 9 mph.
Sunday
Showers and thunderstorms likely, mainly after 5pm. Mostly sunny, with a high near 96. Heat index values as high as 107. West wind around 7 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 thunderstorms before 5am, then a chance of showers. Low around 76. West wind around 6 mph becoming calm in the evening. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Monday
A chance of showers, then showers and thunderstorms likely after 11am. Partly sunny, with a high near 91. Calm wind becoming south 5 to 7 mph in the afternoon. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Monday Night
Showers and thunderstorms likely before 8pm, then showers likely and possibly a thunderstorm between 8pm and 2am, then a slight chance of showers and thunderstorms after 2am. Mostly cloudy, with a low around 75. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Tuesday
Showers and thunderstorms likely, mainly after 2pm. Partly sunny, with a high near 90. Chance of precipitation is 60%.
Tuesday Night
Showers and thunderstorms likely, mainly before 8pm. Partly cloudy, with a low around 76. Chance of precipitation is 60%.
Wednesday
A 20 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 92.
Wednesday Night
Partly cloudy, with a low around 77.
Thursday
A 20 percent chance of showers and thunderstorms. Sunny, with a high near 95.
Thursday Night
A 20 percent chance of showers and thunderstorms. Mostly clear, with a low around 79.
Friday
A 30 percent chance of showers and thunderstorms. Sunny, with a high near 95.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles N Charleston SC
 32.82°N 80°W (Elev. 7 ft)
Last Update:
8:30 am EDT Jul 11, 2026
Forecast Valid:
11am EDT Jul 11, 2026-6pm EDT Jul 17, 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