Hazardous Weather Conditions
Current conditions at
Charleston, Charleston Air Force Base (KCHS)
Lat: 32.9°NLon: 80.04°WElev: 46ft.
Partly Cloudy
93°F
34°C
| Humidity | 62% |
| Wind Speed | S 9 G 20 mph |
| Barometer | 29.96 in (1014.4 mb) |
| Dewpoint | 78°F (26°C) |
| Visibility | 10.00 mi |
| Heat Index | 109°F (43°C) |
| Last update | 21 Aug 2:56 pm EDT |
Extended Forecast for
North Charleston SC
Heat Advisory August 21, 03:02pm until August 21, 08:00pm
NOW until 8:00pm Fri

Heat Advisory
This Afternoon

High: 95 °F
Chance
T-stormsTonight

Low: 75 °F
Chance
T-stormsSaturday
High: 92 °F
Chance
T-storms then
Showers
LikelySaturday Night
Low: 75 °F
Chance
T-storms then
Mostly ClearSunday
High: 94 °F
Sunny then
Slight Chance
T-stormsSunday Night

Low: 73 °F
Mostly Clear
Monday

High: 95 °F
Sunny
Monday Night

Low: 74 °F
Slight Chance
Showers
Detailed Forecast
This Afternoon
A 30 percent chance of showers and thunderstorms, mainly before 5pm. Sunny, with a high near 95. Heat index values as high as 103. South wind around 11 mph.
Tonight
A 50 percent chance of showers and thunderstorms, mainly between 10pm and 4am. Increasing clouds, with a low around 75. South wind 7 to 10 mph becoming northwest in the evening. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 5pm. Partly sunny, with a high near 92. Heat index values as high as 101. Southwest 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.
Saturday Night
A 40 percent chance of showers and thunderstorms, mainly between 11pm and midnight. Cloudy during the early evening, then gradual clearing, with a low around 75. Southwest wind 6 to 8 mph.
Sunday
A 20 percent chance of showers and thunderstorms after 2pm. Sunny, with a high near 94. West wind 6 to 8 mph.
Sunday Night
Mostly clear, with a low around 73.
Monday
Sunny, with a high near 95.
Monday Night
A 20 percent chance of showers before 2am. Partly cloudy, with a low around 74.
Tuesday
A slight chance of thunderstorms, then a chance of showers and thunderstorms after 8am. Mostly sunny, with a high near 93. Chance of precipitation is 50%.
Tuesday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 74.
Wednesday
A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 93.
Wednesday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 75.
Thursday
Showers and thunderstorms likely. Mostly sunny, with a high near 92. Chance of precipitation is 60%.
Thursday Night
Showers and thunderstorms likely. Partly cloudy, with a low around 75. Chance of precipitation is 60%.
Friday
A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 92.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
North Charleston SC
32.89°N 80.05°W (Elev. 30 ft)
32.89°N 80.05°W (Elev. 30 ft)
2:35 pm EDT Aug 21, 2026
3pm EDT Aug 21, 2026-6pm EDT Aug 28, 2026



