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.

A Few Clouds

81°F

27°C

Humidity 82%
Wind Speed S 10 mph
Barometer 30.06 in (1018.0 mb)
Dewpoint 75°F (24°C)
Visibility 10.00 mi
Heat Index87°F (31°C)
Last update 16 Jul 1:56 am EDT
Extended Forecast for

4 Miles S Summerville SC

  • Overnight

    Overnight: Partly cloudy, with a low around 77. South wind 3 to 5 mph.

    Low: 77 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A 50 percent chance of showers and thunderstorms, mainly between 8am and 4pm. Mostly sunny, with a high near 91. Heat index values as high as 103. South wind 6 to 10 mph, with gusts as high as 21 mph. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 91 °F

    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 77. South wind 5 to 8 mph.

    Low: 77 °F

    Partly Cloudy

  • Thursday

    Thursday: A 30 percent chance of showers and thunderstorms, mainly before 2pm. Sunny, with a high near 93. Heat index values as high as 103. South wind 6 to 10 mph.

    High: 93 °F

    Chance
    T-storms

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 76. South wind 5 to 8 mph.

    Low: 76 °F

    Mostly Clear

  • Friday

    Friday: A 30 percent chance of showers and thunderstorms, mainly after 2pm. Sunny, with a high near 96.

    High: 96 °F

    Chance
    T-storms

  • Friday Night

    Friday Night: A 30 percent chance of showers and thunderstorms before 8pm. Mostly clear, with a low around 78.

    Low: 78 °F

    Chance
    T-storms then
    Mostly Clear

  • Saturday

    Saturday: A 20 percent chance of showers and thunderstorms after 2pm. Sunny, with a high near 97.

    High: 97 °F

    Sunny then
    Slight Chance
    T-storms

  • Saturday Night

    Saturday Night: A 20 percent chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 77.

    Low: 77 °F

    Slight Chance
    T-storms

Detailed Forecast

Overnight
Partly cloudy, with a low around 77. South wind 3 to 5 mph.
Wednesday
A 50 percent chance of showers and thunderstorms, mainly between 8am and 4pm. Mostly sunny, with a high near 91. Heat index values as high as 103. South wind 6 to 10 mph, with gusts as high as 21 mph. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
Partly cloudy, with a low around 77. South wind 5 to 8 mph.
Thursday
A 30 percent chance of showers and thunderstorms, mainly before 2pm. Sunny, with a high near 93. Heat index values as high as 103. South wind 6 to 10 mph.
Thursday Night
Mostly clear, with a low around 76. South wind 5 to 8 mph.
Friday
A 30 percent chance of showers and thunderstorms, mainly after 2pm. Sunny, with a high near 96.
Friday Night
A 30 percent chance of showers and thunderstorms before 8pm. Mostly clear, with a low around 78.
Saturday
A 20 percent chance of showers and thunderstorms after 2pm. Sunny, with a high near 97.
Saturday Night
A 20 percent chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 77.
Sunday
A 40 percent chance of showers and thunderstorms after 2pm. Sunny, with a high near 97.
Sunday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 78.
Monday
A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 97.
Monday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 77.
Tuesday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 94.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles S Summerville SC
 32.95°N 80.18°W (Elev. 10 ft)
Last Update:
1:43 am EDT Jul 16, 2025
Forecast Valid:
2am EDT Jul 16, 2025-6pm EDT Jul 22, 2025
 
Forecast Discussion
 
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Additional Resources

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