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.

Partly Cloudy

92°F

33°C

Humidity 47%
Wind Speed NE 7 mph
Barometer 30.05 in (1017.4 mb)
Dewpoint 69°F (21°C)
Visibility 10.00 mi
Heat Index97°F (36°C)
Last update 1 Sep 2:56 pm EDT
Extended Forecast for

6 Miles NNW Johns Island SC

  • Tonight

    Tonight: Patchy fog after 3am. Otherwise, partly cloudy, with a low around 75. Southeast wind 5 to 8 mph becoming calm in the evening.

    Low: 75 °F

    Mostly Clear
    then Patchy
    Fog

  • Wednesday

    Wednesday: Areas of fog before 10am. Otherwise, partly sunny, with a high near 92. Heat index values as high as 103. Calm wind becoming southeast 5 to 7 mph in the afternoon.

    High: 92 °F

    Areas Fog
    then Mostly
    Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 76. Southeast wind around 5 mph becoming calm in the evening.

    Low: 76 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 91. Heat index values as high as 105. Calm wind becoming southeast 5 to 9 mph in the afternoon.

    High: 91 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 76. Southeast wind around 5 mph becoming calm in the evening.

    Low: 76 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 92.

    High: 92 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 76.

    Low: 76 °F

    Mostly Clear

  • Saturday

    Saturday: A 20 percent chance of showers and thunderstorms after 2pm. Sunny, with a high near 95.

    High: 95 °F

    Sunny then
    Slight Chance
    T-storms

  • Saturday Night

    Saturday Night: A 40 percent chance of showers and thunderstorms, mainly between 8pm and 2am. Partly cloudy, with a low around 75.

    Low: 75 °F

    Chance
    T-storms

Detailed Forecast

Tonight
Patchy fog after 3am. Otherwise, partly cloudy, with a low around 75. Southeast wind 5 to 8 mph becoming calm in the evening.
Wednesday
Areas of fog before 10am. Otherwise, partly sunny, with a high near 92. Heat index values as high as 103. Calm wind becoming southeast 5 to 7 mph in the afternoon.
Wednesday Night
Mostly cloudy, with a low around 76. Southeast wind around 5 mph becoming calm in the evening.
Thursday
Mostly sunny, with a high near 91. Heat index values as high as 105. Calm wind becoming southeast 5 to 9 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 76. Southeast wind around 5 mph becoming calm in the evening.
Friday
Sunny, with a high near 92.
Friday Night
Mostly clear, with a low around 76.
Saturday
A 20 percent chance of showers and thunderstorms after 2pm. Sunny, with a high near 95.
Saturday Night
A 40 percent chance of showers and thunderstorms, mainly between 8pm and 2am. Partly cloudy, with a low around 75.
Sunday
A slight chance of showers and thunderstorms between 8am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Mostly sunny, with a high near 91. Chance of precipitation is 60%.
Sunday Night
Showers and thunderstorms likely. Partly cloudy, with a low around 74. Chance of precipitation is 60%.
Labor Day
A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 87.
Monday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 73.
Tuesday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 87.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles NNW Johns Island SC
 32.8°N 80.11°W (Elev. 7 ft)
Last Update:
2:40 pm EDT Sep 1, 2026
Forecast Valid:
3pm EDT Sep 1, 2026-6pm EDT Sep 8, 2026
 
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Additional Resources

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High Temperature

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Chance of Precipitation