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

72°F

22°C

Humidity 55%
Wind Speed W 17 G 29 mph
Barometer 29.84 in (1010.4 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 12 Mar 12:56 pm EDT
Extended Forecast for

Hanahan SC

Lake Wind Advisory until March 12, 10:00pm
Click here for hazard details and duration
Lake Wind Advisory
  •  
    Lake Wind Advisory until March 12, 10:00pm

    NOW until 10:00pm Thu

    Lake Wind Advisory

  • This Afternoon

    High: 75 °F

    Showers

  • Tonight

    Tonight: Mostly cloudy during the early evening, then gradual clearing, with a low around 40. Northeast wind 6 to 11 mph, with gusts as high as 23 mph.

    Low: 40 °F

    Gradual
    Clearing

  • Friday

    Friday: Sunny, with a high near 67. Northeast wind around 6 mph becoming southeast in the afternoon.

    High: 67 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 48. Calm wind.

    Low: 48 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 76. Calm wind becoming southeast around 6 mph in the afternoon.

    High: 76 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 56.

    Low: 56 °F

    Mostly Clear

  • Sunday

    Sunday: A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 78.

    High: 78 °F

    Chance
    T-storms

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2am. Mostly cloudy, with a low around 63. Chance of precipitation is 60%.

    Low: 63 °F

    Chance
    T-storms then
    Showers
    Likely

Detailed Forecast

This Afternoon
Showers and possibly a thunderstorm. High near 75. Northwest wind around 18 mph, with gusts as high as 28 mph. Chance of precipitation is 100%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
Mostly cloudy during the early evening, then gradual clearing, with a low around 40. Northeast wind 6 to 11 mph, with gusts as high as 23 mph.
Friday
Sunny, with a high near 67. Northeast wind around 6 mph becoming southeast in the afternoon.
Friday Night
Mostly clear, with a low around 48. Calm wind.
Saturday
Sunny, with a high near 76. Calm wind becoming southeast around 6 mph in the afternoon.
Saturday Night
Mostly clear, with a low around 56.
Sunday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 78.
Sunday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2am. Mostly cloudy, with a low around 63. Chance of precipitation is 60%.
Monday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 76. Chance of precipitation is 60%.
Monday Night
A chance of showers and thunderstorms before 8pm, then a slight chance of showers between 8pm and 2am. Mostly cloudy, with a low around 40. Chance of precipitation is 30%.
Tuesday
Partly sunny, with a high near 57.
Tuesday Night
Partly cloudy, with a low around 37.
Wednesday
Mostly sunny, with a high near 60.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Hanahan SC
 32.93°N 79.99°W (Elev. 3 ft)
Last Update:
8:32 am EDT Mar 12, 2026
Forecast Valid:
1pm EDT Mar 12, 2026-6pm EDT Mar 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