Current conditions at

Charleston, Charleston Air Force Base (KCHS)

Lat: 32.9°NLon: 80.04°WElev: 46ft.

Mostly Cloudy

88°F

31°C

Humidity 73%
Wind Speed SE 3 mph
Barometer 29.98 in (1015.3 mb)
Dewpoint 78°F (26°C)
Visibility 10.00 mi
Heat Index102°F (39°C)
Last update 30 Jul 2:56 pm EDT
Extended Forecast for

6 Miles NNW Johns Island SC

Heat Advisory July 31, 11:00am until July 31, 08:00pm
Heat Advisory July 30, 03:53pm until July 30, 08:00pm
Click here for hazard details and duration
Heat Advisory
Heat Advisory
  •  
    Heat Advisory July 30, 03:53pm until July 30, 08:00pm

    NOW until 8:00pm Wed

    Heat Advisory

  • This Afternoon

    High: 92 °F

    T-storms
    Likely

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms, mainly after midnight.  Mostly cloudy, with a low around 78. South wind 3 to 6 mph.

    Low: 78 °F

    Chance
    T-storms

  • Thursday

    Thursday: A 30 percent chance of showers and thunderstorms, mainly after 2pm.  Mostly sunny, with a high near 95. Heat index values as high as 110. West wind 3 to 8 mph.

    High: 95 °F

    Mostly Sunny
    then Chance
    T-storms

  • Thursday Night

    Thursday Night: A 30 percent chance of showers and thunderstorms, mainly before 7pm.  Partly cloudy, with a low around 79. South wind around 7 mph.

    Low: 79 °F

    Chance
    T-storms

  • Friday

    Friday: Showers and thunderstorms likely after 2pm.  Mostly sunny, with a high near 94. West wind 6 to 9 mph.  Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 94 °F

    Sunny then
    T-storms
    Likely

  • Friday Night

    Friday Night: Showers and thunderstorms likely before 8pm, then showers likely and possibly a thunderstorm between 8pm and 2am, then a chance of showers and thunderstorms after 2am.  Mostly cloudy, with a low around 76. Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 76 °F

    T-storms
    Likely then
    Showers
    Likely

  • Saturday

    Saturday: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 8am.  High near 85. Chance of precipitation is 90%.

    High: 85 °F

    Showers
    Likely then
    T-storms

  • Saturday Night

    Saturday Night: Showers and possibly a thunderstorm.  Low around 72. Chance of precipitation is 80%.

    Low: 72 °F

    T-storms then
    Showers
    Likely

Detailed Forecast

This Afternoon
Showers and thunderstorms likely, mainly between 4pm and 5pm. Partly sunny, with a high near 92. Heat index values as high as 107. South wind around 6 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tonight
A 30 percent chance of showers and thunderstorms, mainly after midnight. Mostly cloudy, with a low around 78. South wind 3 to 6 mph.
Thursday
A 30 percent chance of showers and thunderstorms, mainly after 2pm. Mostly sunny, with a high near 95. Heat index values as high as 110. West wind 3 to 8 mph.
Thursday Night
A 30 percent chance of showers and thunderstorms, mainly before 7pm. Partly cloudy, with a low around 79. South wind around 7 mph.
Friday
Showers and thunderstorms likely after 2pm. Mostly sunny, with a high near 94. West wind 6 to 9 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday Night
Showers and thunderstorms likely before 8pm, then showers likely and possibly a thunderstorm between 8pm and 2am, then a chance of showers and thunderstorms after 2am. Mostly cloudy, with a low around 76. Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible.
Saturday
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 8am. High near 85. Chance of precipitation is 90%.
Saturday Night
Showers and possibly a thunderstorm. Low around 72. Chance of precipitation is 80%.
Sunday
Showers and possibly a thunderstorm. High near 83. Chance of precipitation is 80%.
Sunday Night
Showers and possibly a thunderstorm, mainly before 2am, then a chance of showers and thunderstorms after 2am. Low around 73. Chance of precipitation is 80%.
Monday
Showers and thunderstorms likely. Mostly cloudy, with a high near 86. Chance of precipitation is 70%.
Monday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 74. Chance of precipitation is 60%.
Tuesday
Showers and thunderstorms likely. Partly sunny, with a high near 88. Chance of precipitation is 60%.
Tuesday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 75. Chance of precipitation is 60%.
Wednesday
Showers and thunderstorms likely. Partly sunny, with a high near 88. Chance of precipitation is 60%.
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles NNW Johns Island SC
 32.8°N 80.11°W (Elev. 7 ft)
1:33 pm EDT Jul 30, 2025
3pm EDT Jul 30, 2025-6pm EDT Aug 6, 2025
 
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Additional Resources

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