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Hazardous Weather Conditions
Current conditions at
Charleston, Charleston Air Force Base (KCHS)
Lat: 32.9°NLon: 80.04°WElev: 46ft.
Mostly Cloudy
81°F
27°C
| Humidity | 82% |
| Wind Speed | NW 8 mph |
| Barometer | 30.04 in (1017.2 mb) |
| Dewpoint | 75°F (24°C) |
| Visibility | 10.00 mi |
| Heat Index | 87°F (31°C) |
| Last update | 12 Jul 3:56 pm EDT |
Extended Forecast for
6 Miles N Johns Island SC
Heat Advisory July 12, 04:30pm until July 12, 07:00pm
NOW until 7:00pm Sun
Heat Advisory
This Afternoon
High: 96 °F
T-storms
LikelyTonight
Low: 75 °F
Showers
LikelyMonday
High: 90 °F
Partly Sunny
then T-storms
LikelyMonday Night
Low: 73 °F
T-storms then
ShowersTuesday
High: 88 °F
Showers
Likely then
T-stormsTuesday Night
Low: 74 °F
Showers then
Chance
ShowersWednesday
High: 91 °F
Slight Chance
T-storms then
Chance
T-stormsWednesday Night
Low: 75 °F
Chance
T-storms then
Partly Cloudy
Detailed Forecast
This Afternoon
Showers and thunderstorms likely. Mostly cloudy, with a high near 96. Heat index values as high as 105. South wind around 8 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tonight
Showers and thunderstorms likely before midnight, then showers likely and possibly a thunderstorm between midnight and 2am, then a slight chance of showers and thunderstorms after 2am. Cloudy, then becoming partly cloudy toward daybreak, with a low around 75. Southwest wind around 6 mph becoming calm in the evening. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Monday
Showers and thunderstorms likely, mainly after 3pm. Mostly cloudy, with a high near 90. Calm wind becoming south around 5 mph in the afternoon. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Monday Night
Showers and thunderstorms likely before 8pm, then showers and possibly a thunderstorm between 8pm and 2am, then a chance of showers and thunderstorms after 2am. Low around 73. Light and variable wind. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Tuesday
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 8am. High near 88. Calm wind becoming southeast around 6 mph in the afternoon. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Tuesday Night
Showers and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am. Low around 74. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday
A 50 percent chance of showers and thunderstorms, mainly after 2pm. Mostly sunny, with a high near 91.
Wednesday Night
A 30 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 75.
Thursday
A 20 percent chance of showers and thunderstorms after 2pm. Sunny, with a high near 94.
Thursday Night
Mostly clear, with a low around 77.
Friday
A 20 percent chance of showers and thunderstorms. Sunny, with a high near 95.
Friday Night
A 20 percent chance of showers and thunderstorms. Mostly clear, with a low around 78.
Saturday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 94.
Saturday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 77.
Sunday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 93.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
6 Miles N Johns Island SC
32.8°N 80.09°W (Elev. 10 ft)
32.8°N 80.09°W (Elev. 10 ft)
2:45 pm EDT Jul 12, 2026
4pm EDT Jul 12, 2026-6pm EDT Jul 19, 2026
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