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.
Fair
34°F
1°C
| Humidity | 87% |
| Wind Speed | W 6 mph |
| Barometer | 30.11 in |
| Dewpoint | 30°F (-1°C) |
| Visibility | 10.00 mi |
| Wind Chill | 29°F (-2°C) |
| Last update | 18 Jan 10:55 pm EST |
Extended Forecast for
Johns Island SC
Tonight
Low: 30 °F
Mostly Clear
M.L.King Day
High: 52 °F
Sunny
Monday Night
Low: 31 °F
Mostly Clear
Tuesday
High: 51 °F
Sunny
Tuesday Night
Low: 32 °F
Partly Cloudy
Wednesday
High: 58 °F
Partly Sunny
Wednesday Night
Low: 45 °F
Cloudy then
Slight Chance
ShowersThursday
High: 61 °F
Chance
ShowersThursday Night
Low: 39 °F
Partly Cloudy
Detailed Forecast
Tonight
Mostly clear, with a low around 30. West wind around 6 mph.
M.L.King Day
Sunny, with a high near 52. West wind 6 to 9 mph.
Monday Night
Mostly clear, with a low around 31. 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 32. Northeast wind 3 to 6 mph.
Wednesday
Partly sunny, with a high near 58.
Wednesday Night
A 20 percent chance of showers after 1am. Cloudy, with a low around 45.
Thursday
A 30 percent chance of showers, mainly before 1pm. Mostly cloudy, with a high near 61.
Thursday Night
Partly cloudy, with a low around 39.
Friday
Mostly sunny, with a high near 58.
Friday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 45.
Saturday
A 30 percent chance of showers. Mostly cloudy, with a high near 62.
Saturday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 43.
Sunday
A 40 percent chance of showers. Partly sunny, with a high near 55.
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)
7:32 pm EST Jan 18, 2026
11pm EST Jan 18, 2026-6pm EST Jan 25, 2026
Additional Resources
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Hourly Weather Forecast
