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

91°F

33°C

Humidity 52%
Wind Speed SW 14 G 24 mph
Barometer 30.08 in (1018.5 mb)
Dewpoint 71°F (22°C)
Visibility 10.00 mi
Heat Index98°F (37°C)
Last update 17 Jun 12:56 pm EDT
Extended Forecast for

3 Miles S Summerville SC

  • This Afternoon

    This Afternoon: Sunny, with a high near 93. Heat index values as high as 103. Southwest wind around 9 mph.

    High: 93 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 77. South wind 6 to 8 mph.

    Low: 77 °F

    Mostly Clear

  • Wednesday

    Wednesday: A 20 percent chance of showers and thunderstorms after 2pm. Sunny, with a high near 94. Heat index values as high as 103. Southwest wind 6 to 10 mph, with gusts as high as 20 mph.

    High: 94 °F

    Sunny then
    Slight Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 77. South wind 6 to 10 mph, with gusts as high as 20 mph.

    Low: 77 °F

    Partly Cloudy

  • Juneteenth

    Juneteenth: A 30 percent chance of showers and thunderstorms after 2pm. Sunny, with a high near 94. Southwest wind 6 to 10 mph.

    High: 94 °F

    Sunny then
    Chance
    T-storms

  • Thursday Night

    Thursday Night: A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 76.

    Low: 76 °F

    Chance
    T-storms

  • Friday

    Friday: A 50 percent chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 93.

    High: 93 °F

    Mostly Sunny
    then Chance
    T-storms

  • Friday Night

    Friday Night: A chance of showers and thunderstorms before 2am, then a slight chance of showers. Partly cloudy, with a low around 75. Chance of precipitation is 30%.

    Low: 75 °F

    Chance
    T-storms

  • Saturday

    Saturday: A slight chance of showers, then a chance of showers and thunderstorms after 8am. Mostly sunny, with a high near 91. Chance of precipitation is 50%.

    High: 91 °F

    Chance
    Showers then
    Chance
    T-storms

Detailed Forecast

This Afternoon
Sunny, with a high near 93. Heat index values as high as 103. Southwest wind around 9 mph.
Tonight
Mostly clear, with a low around 77. South wind 6 to 8 mph.
Wednesday
A 20 percent chance of showers and thunderstorms after 2pm. Sunny, with a high near 94. Heat index values as high as 103. Southwest wind 6 to 10 mph, with gusts as high as 20 mph.
Wednesday Night
Partly cloudy, with a low around 77. South wind 6 to 10 mph, with gusts as high as 20 mph.
Juneteenth
A 30 percent chance of showers and thunderstorms after 2pm. Sunny, with a high near 94. Southwest wind 6 to 10 mph.
Thursday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 76.
Friday
A 50 percent chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 93.
Friday Night
A chance of showers and thunderstorms before 2am, then a slight chance of showers. Partly cloudy, with a low around 75. Chance of precipitation is 30%.
Saturday
A slight chance of showers, then a chance of showers and thunderstorms after 8am. Mostly sunny, with a high near 91. Chance of precipitation is 50%.
Saturday Night
A chance of thunderstorms before 8pm. Partly cloudy, with a low around 76. Chance of precipitation is 30%.
Sunday
A 20 percent chance of showers and thunderstorms. Sunny, with a high near 93.
Sunday Night
Mostly clear, with a low around 75.
Monday
A 30 percent chance of showers and thunderstorms. Sunny, with a high near 94.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles S Summerville SC
 32.95°N 80.18°W (Elev. 10 ft)
Last Update:
12:42 pm EDT Jun 17, 2025
Forecast Valid:
1pm EDT Jun 17, 2025-6pm EDT Jun 23, 2025
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation