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

85°F

29°C

Humidity 63%
Wind Speed N 15 mph
Barometer 29.80 in (1009.0 mb)
Dewpoint 71°F (22°C)
Visibility 10.00 mi
Heat Index90°F (32°C)
Last update 20 Aug 3:56 pm EDT
Extended Forecast for

4 Miles NW Hanahan SC

High Surf Advisory August 20, 04:55pm until August 21, 08:00pm
Coastal Flood Advisory August 20, 05:00pm until August 20, 09:00pm
Click here for hazard details and duration
High Surf Advisory
  •  
    High Surf Advisory August 20, 04:55pm until August 21, 08:00pm

    NOW until 8:00pm Thu

    High Surf Advisory

  • Tonight

    Low: 74 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 92. Northwest wind around 7 mph.

    High: 92 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: A 40 percent chance of showers and thunderstorms, mainly after 8pm. Mostly cloudy, with a low around 75. Light and variable wind.

    Low: 75 °F

    Chance
    T-storms

  • Friday

    Friday: Showers and thunderstorms likely, mainly after 2pm. Mostly cloudy, with a high near 85. East wind 3 to 6 mph. Chance of precipitation is 70%. New rainfall amounts between three quarters and one inch possible.

    High: 85 °F

    T-storms
    Likely

  • Friday Night

    Friday Night: Showers and thunderstorms likely, mainly before 8pm. Mostly cloudy, with a low around 73. East wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 73 °F

    T-storms
    Likely

  • Saturday

    Saturday: Showers likely and possibly a thunderstorm before 2pm, then showers and thunderstorms likely after 2pm. Mostly cloudy, with a high near 82. Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 82 °F

    Showers
    Likely then
    T-storms
    Likely

  • Saturday Night

    Saturday Night: Showers and thunderstorms likely, mainly before 8pm. Mostly cloudy, with a low around 72. Chance of precipitation is 60%.

    Low: 72 °F

    T-storms
    Likely

  • Sunday

    Sunday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 87. Chance of precipitation is 60%.

    High: 87 °F

    Showers
    Likely

Detailed Forecast

Tonight
Mostly cloudy, with a low around 74. Northwest wind 5 to 8 mph.
Thursday
Mostly sunny, with a high near 92. Northwest wind around 7 mph.
Thursday Night
A 40 percent chance of showers and thunderstorms, mainly after 8pm. Mostly cloudy, with a low around 75. Light and variable wind.
Friday
Showers and thunderstorms likely, mainly after 2pm. Mostly cloudy, with a high near 85. East wind 3 to 6 mph. Chance of precipitation is 70%. New rainfall amounts between three quarters and one inch possible.
Friday Night
Showers and thunderstorms likely, mainly before 8pm. Mostly cloudy, with a low around 73. East wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Saturday
Showers likely and possibly a thunderstorm before 2pm, then showers and thunderstorms likely after 2pm. Mostly cloudy, with a high near 82. Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible.
Saturday Night
Showers and thunderstorms likely, mainly before 8pm. Mostly cloudy, with a low around 72. Chance of precipitation is 60%.
Sunday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 87. Chance of precipitation is 60%.
Sunday Night
Showers likely and possibly a thunderstorm before 8pm, then a slight chance of showers and thunderstorms between 8pm and 2am. Mostly cloudy, with a low around 72. Chance of precipitation is 60%.
Monday
A 30 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 90.
Monday Night
A 30 percent chance of showers and thunderstorms. Mostly clear, with a low around 70.
Tuesday
Sunny, with a high near 86.
Tuesday Night
Mostly clear, with a low around 68.
Wednesday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 84.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NW Hanahan SC
 32.96°N 80.07°W (Elev. 39 ft)
Last Update:
2:57 pm EDT Aug 20, 2025
Forecast Valid:
4pm EDT Aug 20, 2025-6pm EDT Aug 27, 2025
 
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