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

83°F

28°C

Humidity 74%
Wind Speed SE 7 mph
Barometer 29.91 in (1012.8 mb)
Dewpoint 74°F (23°C)
Visibility 10.00 mi
Heat Index90°F (32°C)
Last update 20 Sep 4:56 pm EDT
Extended Forecast for

Hanahan SC

  • This Afternoon

    This Afternoon: A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 86. East wind around 7 mph.

    High: 86 °F

    Slight Chance
    T-storms

  • Tonight

    Tonight: Partly cloudy, with a low around 72. Light and variable wind.

    Low: 72 °F

    Partly Cloudy

  • Monday

    Monday: A 20 percent chance of showers and thunderstorms after 3pm. Patchy fog before 9am. Otherwise, partly sunny, with a high near 89. Calm wind becoming east around 6 mph in the afternoon.

    High: 89 °F

    Patchy Fog
    then Slight
    Chance
    T-storms

  • Monday Night

    Monday Night: A slight chance of showers and thunderstorms between 3am and 5am, then a slight chance of showers after 5am. Mostly cloudy, with a low around 72. Calm wind. Chance of precipitation is 20%.

    Low: 72 °F

    Mostly Cloudy
    then Slight
    Chance
    T-storms

  • Tuesday

    Tuesday: A slight chance of showers before 11am, then a slight chance of showers and thunderstorms between 11am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Mostly sunny, with a high near 89. Calm wind becoming northeast around 5 mph in the afternoon. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 89 °F

    Slight Chance
    T-storms then
    Showers
    Likely

  • Tuesday Night

    Tuesday Night: Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am. Partly cloudy, with a low around 72. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 72 °F

    Showers
    Likely then
    Chance
    Showers

  • Wednesday

    Wednesday: A 50 percent chance of showers and thunderstorms, mainly after 2pm. Mostly sunny, with a high near 86.

    High: 86 °F

    Slight Chance
    T-storms then
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers and thunderstorms, mainly before 8pm. Partly cloudy, with a low around 67.

    Low: 67 °F

    Chance
    T-storms

  • Thursday

    Thursday: A slight chance of showers, then a chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 81. Chance of precipitation is 30%.

    High: 81 °F

    Slight Chance
    Showers then
    Chance
    T-storms

Detailed Forecast

This Afternoon
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 86. East wind around 7 mph.
Tonight
Partly cloudy, with a low around 72. Light and variable wind.
Monday
A 20 percent chance of showers and thunderstorms after 3pm. Patchy fog before 9am. Otherwise, partly sunny, with a high near 89. Calm wind becoming east around 6 mph in the afternoon.
Monday Night
A slight chance of showers and thunderstorms between 3am and 5am, then a slight chance of showers after 5am. Mostly cloudy, with a low around 72. Calm wind. Chance of precipitation is 20%.
Tuesday
A slight chance of showers before 11am, then a slight chance of showers and thunderstorms between 11am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Mostly sunny, with a high near 89. Calm wind becoming northeast around 5 mph in the afternoon. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am. Partly cloudy, with a low around 72. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday
A 50 percent chance of showers and thunderstorms, mainly after 2pm. Mostly sunny, with a high near 86.
Wednesday Night
A 30 percent chance of showers and thunderstorms, mainly before 8pm. Partly cloudy, with a low around 67.
Thursday
A slight chance of showers, then a chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 81. Chance of precipitation is 30%.
Thursday Night
A 30 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 63.
Friday
Mostly sunny, with a high near 79.
Friday Night
Mostly clear, with a low around 61.
Saturday
Sunny, with a high near 79.
Saturday Night
Partly cloudy, with a low around 61.
Sunday
Mostly sunny, with a high near 81.
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ABOUT THIS FORECAST

 
Point Forecast:
Hanahan SC
 32.91°N 80.02°W (Elev. 30 ft)
Last Update:
2:35 pm EDT Sep 20, 2026
Forecast Valid:
5pm EDT Sep 20, 2026-6pm EDT Sep 27, 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