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

78°F

26°C

Humidity 87%
Wind Speed Calm
Barometer 30.03 in (1016.8 mb)
Dewpoint 74°F (23°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 11 Jul 7:56 pm EDT
Extended Forecast for

North Charleston SC

Heat Advisory July 12, 11:00am until July 12, 07:00pm
Click here for hazard details and duration
Heat Advisory

  • Tonight

    Tonight: A 40 percent chance of showers and thunderstorms, mainly before midnight. Mostly cloudy, with a low around 77. Northwest wind 7 to 9 mph becoming south in the evening.

    Low: 77 °F

    Chance
    T-storms

  • Sunday

    Sunday: Showers and thunderstorms likely, mainly between 4pm and 5pm. Increasing clouds, with a high near 97. Heat index values as high as 106. West wind around 8 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 97 °F

    Mostly Sunny
    then T-storms
    Likely

  • Sunday Night

    Sunday Night: Showers and thunderstorms likely, mainly before 4am. Mostly cloudy, with a low around 75. Southwest wind 5 to 9 mph becoming west after midnight. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 75 °F

    Showers
    Likely then
    Chance
    T-storms

  • Monday

    Monday: A slight chance of showers before 11am, then a slight chance of showers and thunderstorms between 11am and 2pm, then showers and possibly a thunderstorm after 2pm. High near 92. Light and variable wind becoming southwest around 6 mph in the afternoon. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 92 °F

    Slight Chance
    T-storms then
    T-storms

  • Monday Night

    Monday Night: Showers and possibly a thunderstorm, mainly before 2am, then a slight chance of showers and thunderstorms after 2am. Low around 73. South wind 5 to 7 mph becoming calm in the evening. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 73 °F

    T-storms then
    Showers
    Likely

  • Tuesday

    Tuesday: Showers and thunderstorms likely, mainly after 2pm. Partly sunny, with a high near 91. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 91 °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 74. Chance of precipitation is 60%.

    Low: 74 °F

    T-storms
    Likely then
    Slight Chance
    T-storms

  • Wednesday

    Wednesday: A 20 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 93.

    High: 93 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 75.

    Low: 75 °F

    Partly Cloudy

Detailed Forecast

Tonight
A 40 percent chance of showers and thunderstorms, mainly before midnight. Mostly cloudy, with a low around 77. Northwest wind 7 to 9 mph becoming south in the evening.
Sunday
Showers and thunderstorms likely, mainly between 4pm and 5pm. Increasing clouds, with a high near 97. Heat index values as high as 106. West wind around 8 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 likely, mainly before 4am. Mostly cloudy, with a low around 75. Southwest wind 5 to 9 mph becoming west after midnight. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Monday
A slight chance of showers before 11am, then a slight chance of showers and thunderstorms between 11am and 2pm, then showers and possibly a thunderstorm after 2pm. High near 92. Light and variable wind becoming southwest around 6 mph in the afternoon. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Monday Night
Showers and possibly a thunderstorm, mainly before 2am, then a slight chance of showers and thunderstorms after 2am. Low around 73. South wind 5 to 7 mph becoming calm in the evening. Chance of precipitation is 80%. 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 91. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
Showers and thunderstorms likely, mainly before 8pm. Partly cloudy, with a low around 74. Chance of precipitation is 60%.
Wednesday
A 20 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 93.
Wednesday Night
Partly cloudy, with a low around 75.
Thursday
Sunny, with a high near 95.
Thursday Night
Mostly clear, with a low around 77.
Friday
A 20 percent chance of showers and thunderstorms. Sunny, with a high near 96.
Friday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 77.
Saturday
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:
North Charleston SC
 32.89°N 80.05°W (Elev. 30 ft)
Last Update:
7:02 pm EDT Jul 11, 2026
Forecast Valid:
8pm EDT Jul 11, 2026-6pm EDT Jul 18, 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