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

87°F

31°C

Humidity 55%
Wind Speed Vrbl 7 mph
Barometer 29.97 in (1014.8 mb)
Dewpoint 69°F (21°C)
Visibility 10.00 mi
Heat Index91°F (33°C)
Last update 21 Jun 11:56 am EDT
Extended Forecast for

Hanahan SC

  • This Afternoon

    This Afternoon: A 30 percent chance of showers and thunderstorms, mainly after 3pm. Mostly sunny, with a high near 91. South wind 3 to 8 mph.

    High: 91 °F

    Chance
    T-storms

  • Tonight

    Tonight: Mostly clear, with a low around 74. South wind 3 to 6 mph.

    Low: 74 °F

    Mostly Clear

  • Monday

    Monday: A 30 percent chance of showers and thunderstorms, mainly between 4pm and 5pm. Mostly sunny, with a high near 93. Heat index values as high as 106. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 93 °F

    Sunny then
    Chance
    T-storms

  • Monday Night

    Monday Night: A slight chance of showers and thunderstorms between 7pm and 8pm. Mostly clear, with a low around 76. Southwest wind 7 to 9 mph. Chance of precipitation is 20%.

    Low: 76 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Tuesday

    Tuesday: A slight chance of showers, with thunderstorms also possible after 11am. Mostly sunny, with a high near 95. West wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.

    High: 95 °F

    Slight Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 75.

    Low: 75 °F

    Slight Chance
    T-storms

  • Wednesday

    Wednesday: A 40 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 94.

    High: 94 °F

    Mostly Sunny
    then Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 75.

    Low: 75 °F

    Chance
    T-storms

  • Thursday

    Thursday: A 40 percent chance of showers and thunderstorms after 8am. Partly sunny, with a high near 92.

    High: 92 °F

    Chance
    Showers then
    Chance
    T-storms

Detailed Forecast

This Afternoon
A 30 percent chance of showers and thunderstorms, mainly after 3pm. Mostly sunny, with a high near 91. South wind 3 to 8 mph.
Tonight
Mostly clear, with a low around 74. South wind 3 to 6 mph.
Monday
A 30 percent chance of showers and thunderstorms, mainly between 4pm and 5pm. Mostly sunny, with a high near 93. Heat index values as high as 106. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.
Monday Night
A slight chance of showers and thunderstorms between 7pm and 8pm. Mostly clear, with a low around 76. Southwest wind 7 to 9 mph. Chance of precipitation is 20%.
Tuesday
A slight chance of showers, with thunderstorms also possible after 11am. Mostly sunny, with a high near 95. West wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
Tuesday Night
A 20 percent chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 75.
Wednesday
A 40 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 94.
Wednesday Night
A 30 percent chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 75.
Thursday
A 40 percent chance of showers and thunderstorms after 8am. Partly sunny, with a high near 92.
Thursday Night
A 40 percent chance of showers and thunderstorms, mainly before 2am. Mostly cloudy, with a low around 75.
Friday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 93.
Friday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 77.
Saturday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 96.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Hanahan SC
 32.91°N 80.02°W (Elev. 30 ft)
Last Update:
8:32 am EDT Jun 21, 2026
Forecast Valid:
12pm EDT Jun 21, 2026-6pm EDT Jun 27, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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