


Hazardous Weather Conditions
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 Index | 102°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
NOW until 8:00pm Wed
Heat Advisory
This Afternoon
High: 92 °F
T-storms
LikelyTonight
Low: 78 °F
Chance
T-stormsThursday
High: 95 °F
Mostly Sunny
then Chance
T-stormsThursday Night
Low: 79 °F
Chance
T-stormsFriday
High: 94 °F
Sunny then
T-storms
LikelyFriday Night
Low: 76 °F
T-storms
Likely then
Showers
LikelySaturday
High: 85 °F
Showers
Likely then
T-stormsSaturday Night
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%.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
6 Miles NNW Johns Island SC
32.8°N 80.11°W (Elev. 7 ft)
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