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

Charleston, Charleston Air Force Base (KCHS)

Lat: 32.9°NLon: 80.04°WElev: 46ft.

Mostly Cloudy

90°F

32°C

Humidity 56%
Wind Speed W 9 mph
Barometer 30.10 in (1019.3 mb)
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Heat Index98°F (37°C)
Last update 27 Jun 11:56 am EDT
Extended Forecast for

Hanahan SC

  • This Afternoon

    This Afternoon: A slight chance of showers and thunderstorms between 2pm and 3pm. Mostly sunny, with a high near 95. Heat index values as high as 103. Southwest wind around 8 mph. Chance of precipitation is 20%.

    High: 95 °F

    Slight Chance
    T-storms

  • Tonight

    Tonight: Mostly clear, with a low around 77. South wind 5 to 8 mph.

    Low: 77 °F

    Mostly Clear

  • Sunday

    Sunday: A 40 percent chance of showers and thunderstorms, mainly after 3pm. Mostly sunny, with a high near 98. Heat index values as high as 107. West wind 5 to 8 mph.

    High: 98 °F

    Sunny then
    Chance
    T-storms

  • Sunday Night

    Sunday Night: A 50 percent chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 77. Southwest wind 3 to 6 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 77 °F

    Chance
    T-storms

  • Monday

    Monday: Showers and thunderstorms likely after 2pm. Mostly sunny, with a high near 96. Light and variable wind. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 96 °F

    Sunny then
    T-storms
    Likely

  • Monday Night

    Monday Night: Showers and thunderstorms likely before 8pm. Partly cloudy, with a low around 76. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 76 °F

    T-storms
    Likely then
    Partly Cloudy

  • Tuesday

    Tuesday: A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 92.

    High: 92 °F

    Slight Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 75.

    Low: 75 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 93.

    High: 93 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
A slight chance of showers and thunderstorms between 2pm and 3pm. Mostly sunny, with a high near 95. Heat index values as high as 103. Southwest wind around 8 mph. Chance of precipitation is 20%.
Tonight
Mostly clear, with a low around 77. South wind 5 to 8 mph.
Sunday
A 40 percent chance of showers and thunderstorms, mainly after 3pm. Mostly sunny, with a high near 98. Heat index values as high as 107. West wind 5 to 8 mph.
Sunday Night
A 50 percent chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 77. Southwest wind 3 to 6 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday
Showers and thunderstorms likely after 2pm. Mostly sunny, with a high near 96. Light and variable wind. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday Night
Showers and thunderstorms likely before 8pm. Partly cloudy, with a low around 76. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 92.
Tuesday Night
Mostly clear, with a low around 75.
Wednesday
Mostly sunny, with a high near 93.
Wednesday Night
Mostly clear, with a low around 75.
Thursday
Sunny, with a high near 94.
Thursday Night
Mostly clear, with a low around 76.
Friday
Sunny, with a high near 97.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Hanahan SC
 32.93°N 80.01°W (Elev. 10 ft)
Last Update:
8:32 am EDT Jun 27, 2026
Forecast Valid:
12pm EDT Jun 27, 2026-6pm EDT Jul 3, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation