News Headlines
- Calling All Meteorology Students! Apply for the NWS Charleston 2026 Summer Volunteer Program
- NWS Charleston To Implement Minor Public, Fire Weather and Marine Zone Changes on March 3
- Mariners: NWS Charleston Is Expanding Marine Forecasts Out To 60 NM in South Carolina March 3
- 2026 Storm Spotter Training Schedule
Hazardous Weather Conditions
Current conditions at
Charleston Executive Airport (KJZI)
Lat: 32.7°NLon: 80°WElev: 16ft.
Light Rain
48°F
9°C
| Humidity | 87% |
| Wind Speed | N 9 mph |
| Barometer | 29.98 in |
| Dewpoint | 45°F (7°C) |
| Visibility | 7.00 mi |
| Wind Chill | 44°F (7°C) |
| Last update | 18 Jan 6:15 am EST |
Extended Forecast for
Johns Island SC
Today
High: 49 °F
Showers
Tonight
Low: 29 °F
Mostly Clear
M.L.King Day
High: 51 °F
Sunny
Monday Night
Low: 30 °F
Mostly Clear
Tuesday
High: 51 °F
Sunny
Tuesday Night
Low: 33 °F
Partly Cloudy
Wednesday
High: 57 °F
Partly Sunny
Wednesday Night
Low: 42 °F
Cloudy
Thursday
High: 58 °F
Slight Chance
Showers
Detailed Forecast
Today
Showers, mainly before 4pm. High near 49. West wind 7 to 10 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
Tonight
Mostly clear, with a low around 29. West wind around 7 mph.
M.L.King Day
Sunny, with a high near 51. West wind 6 to 8 mph.
Monday Night
Mostly clear, with a low around 30. West wind around 6 mph.
Tuesday
Sunny, with a high near 51. North wind around 7 mph.
Tuesday Night
Partly cloudy, with a low around 33.
Wednesday
Partly sunny, with a high near 57.
Wednesday Night
Cloudy, with a low around 42.
Thursday
A 20 percent chance of showers. Mostly cloudy, with a high near 58.
Thursday Night
Partly cloudy, with a low around 39.
Friday
Sunny, with a high near 60.
Friday Night
Partly cloudy, with a low around 46.
Saturday
A 20 percent chance of showers. Partly sunny, with a high near 67.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Johns Island SC
32.73°N 80.07°W (Elev. 23 ft)
32.73°N 80.07°W (Elev. 23 ft)
2:07 am EST Jan 18, 2026
6am EST Jan 18, 2026-6pm EST Jan 24, 2026
Additional Resources
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Hourly Weather Forecast
