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

75°F

24°C

Humidity 94%
Wind Speed SW 7 mph
Barometer 30.00 in (1015.8 mb)
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Last update 5 Jun 11:56 pm EDT
Extended Forecast for

6 Miles NNW Johns Island SC

  • Overnight

    Overnight: Partly cloudy, with a low around 71. West wind around 6 mph.

    Low: 71 °F

    Partly Cloudy

  • Friday

    Friday: A 20 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 89. West wind 6 to 8 mph.

    High: 89 °F

    Partly Sunny
    then Slight
    Chance
    T-storms

  • Friday Night

    Friday Night: Partly cloudy, with a low around 74. Southwest wind around 6 mph.

    Low: 74 °F

    Partly Cloudy

  • Saturday

    Saturday: A 40 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 92. Heat index values as high as 103. West wind 6 to 11 mph.

    High: 92 °F

    Mostly Sunny
    then Chance
    T-storms

  • Saturday Night

    Saturday Night: A 40 percent chance of showers and thunderstorms, mainly before 2am. Partly cloudy, with a low around 75. Southwest wind 6 to 8 mph.

    Low: 75 °F

    Chance
    T-storms

  • Sunday

    Sunday: Showers and thunderstorms likely, mainly after 2pm. Mostly sunny, with a high near 91. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 91 °F

    Chance
    T-storms then
    T-storms
    Likely

  • Sunday Night

    Sunday Night: Showers and thunderstorms likely, mainly before 2am. Mostly cloudy, with a low around 73. Chance of precipitation is 60%.

    Low: 73 °F

    T-storms
    Likely

  • Monday

    Monday: Showers and thunderstorms likely, mainly after 2pm. Partly sunny, with a high near 89. Chance of precipitation is 70%.

    High: 89 °F

    Chance
    T-storms then
    T-storms
    Likely

  • Monday Night

    Monday Night: Showers and thunderstorms likely, mainly before 2am. Mostly cloudy, with a low around 73. Chance of precipitation is 60%.

    Low: 73 °F

    T-storms
    Likely

Detailed Forecast

Overnight
Partly cloudy, with a low around 71. West wind around 6 mph.
Friday
A 20 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 89. West wind 6 to 8 mph.
Friday Night
Partly cloudy, with a low around 74. Southwest wind around 6 mph.
Saturday
A 40 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 92. Heat index values as high as 103. West wind 6 to 11 mph.
Saturday Night
A 40 percent chance of showers and thunderstorms, mainly before 2am. Partly cloudy, with a low around 75. Southwest wind 6 to 8 mph.
Sunday
Showers and thunderstorms likely, mainly after 2pm. Mostly sunny, with a high near 91. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday Night
Showers and thunderstorms likely, mainly before 2am. Mostly cloudy, with a low around 73. Chance of precipitation is 60%.
Monday
Showers and thunderstorms likely, mainly after 2pm. Partly sunny, with a high near 89. Chance of precipitation is 70%.
Monday Night
Showers and thunderstorms likely, mainly before 2am. Mostly cloudy, with a low around 73. Chance of precipitation is 60%.
Tuesday
Showers and thunderstorms likely, mainly after 2pm. Partly sunny, with a high near 88. Chance of precipitation is 60%.
Tuesday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 72. Chance of precipitation is 60%.
Wednesday
Showers and thunderstorms likely. Partly sunny, with a high near 88. Chance of precipitation is 60%.
Wednesday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 72. Chance of precipitation is 60%.
Thursday
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 86.
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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:
12:11 am EDT Jun 6, 2025
Forecast Valid:
12am EDT Jun 6, 2025-6pm EDT Jun 12, 2025
 
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