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 52%
Wind Speed S 14 mph
Barometer 30.07 in (1018.3 mb)
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Heat Index92°F (33°C)
Last update 22 May 2:56 pm EDT
Extended Forecast for

Hanahan SC

  • Tonight

    Tonight: Mostly cloudy, with a low around 73. South wind 6 to 11 mph becoming light southeast after midnight.

    Low: 73 °F

    Mostly Cloudy

  • Saturday

    Saturday: A 30 percent chance of showers and thunderstorms, mainly after 5pm. Partly sunny, with a high near 88. Southeast wind 3 to 8 mph.

    High: 88 °F

    Partly Sunny
    then Chance
    T-storms

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms before 3am, then a slight chance of showers between 3am and 5am, then a slight chance of showers and thunderstorms after 5am. Mostly cloudy, with a low around 72. Southeast wind around 6 mph becoming calm in the evening. Chance of precipitation is 30%.

    Low: 72 °F

    Chance
    T-storms

  • Sunday

    Sunday: Showers likely and possibly a thunderstorm before 2pm, then a chance of showers and thunderstorms after 2pm. Mostly cloudy, with a high near 87. Light southeast wind becoming south 5 to 10 mph in the morning. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 87 °F

    Showers
    Likely

  • Sunday Night

    Sunday Night: A chance of showers, with thunderstorms also possible after 5am. Mostly cloudy, with a low around 73. South wind 3 to 7 mph. Chance of precipitation is 30%.

    Low: 73 °F

    Chance
    Showers

  • Memorial Day

    Memorial Day: A chance of showers and thunderstorms before 8am, then a chance of showers between 8am and 11am, then a chance of showers and thunderstorms after 11am. Partly sunny, with a high near 88. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 88 °F

    Chance
    T-storms

  • Monday Night

    Monday Night: A 20 percent chance of showers after 2am. Mostly cloudy, with a low around 72.

    Low: 72 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Tuesday

    Tuesday: A chance of showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 88. Chance of precipitation is 40%.

    High: 88 °F

    Chance
    Showers then
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A chance of thunderstorms before 8pm, then a slight chance of showers after 2am. Mostly cloudy, with a low around 72. Chance of precipitation is 30%.

    Low: 72 °F

    Chance
    T-storms then
    Slight Chance
    Showers

Detailed Forecast

Tonight
Mostly cloudy, with a low around 73. South wind 6 to 11 mph becoming light southeast after midnight.
Saturday
A 30 percent chance of showers and thunderstorms, mainly after 5pm. Partly sunny, with a high near 88. Southeast wind 3 to 8 mph.
Saturday Night
A chance of showers and thunderstorms before 3am, then a slight chance of showers between 3am and 5am, then a slight chance of showers and thunderstorms after 5am. Mostly cloudy, with a low around 72. Southeast wind around 6 mph becoming calm in the evening. Chance of precipitation is 30%.
Sunday
Showers likely and possibly a thunderstorm before 2pm, then a chance of showers and thunderstorms after 2pm. Mostly cloudy, with a high near 87. Light southeast wind becoming south 5 to 10 mph in the morning. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday Night
A chance of showers, with thunderstorms also possible after 5am. Mostly cloudy, with a low around 73. South wind 3 to 7 mph. Chance of precipitation is 30%.
Memorial Day
A chance of showers and thunderstorms before 8am, then a chance of showers between 8am and 11am, then a chance of showers and thunderstorms after 11am. Partly sunny, with a high near 88. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday Night
A 20 percent chance of showers after 2am. Mostly cloudy, with a low around 72.
Tuesday
A chance of showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 88. Chance of precipitation is 40%.
Tuesday Night
A chance of thunderstorms before 8pm, then a slight chance of showers after 2am. Mostly cloudy, with a low around 72. Chance of precipitation is 30%.
Wednesday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 89. Chance of precipitation is 60%.
Wednesday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 71. Chance of precipitation is 60%.
Thursday
Showers and thunderstorms likely. Mostly cloudy, with a high near 88. Chance of precipitation is 70%.
Thursday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 68. Chance of precipitation is 60%.
Friday
Showers and thunderstorms likely. Mostly cloudy, with a high near 83. Chance of precipitation is 70%.
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ABOUT THIS FORECAST

 
Point Forecast:
Hanahan SC
 32.93°N 80.01°W (Elev. 10 ft)
Last Update:
2:30 pm EDT May 22, 2026
Forecast Valid:
3pm EDT May 22, 2026-6pm EDT May 29, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation