Wind
0 mph
N
Local Forecast
Current conditions, 5-day forecast, active weather alerts for Johns Island, SC
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Hour-by-Hour Current Observation
Clear
Wind
0 mph
N
UV Index
0
None
Humidity
94%
Dew 77°F
Sun
7:09 AM · 7:14 PM
Rise · Set
Source: CHARLESTON/EXEC (KJZI). Slider scrubs the next 12 hours.
5-Day Outlook
Tuesday
Thunderstorms Likely
Overnight: Chance of Thunderstorms
Tuesday
A chance of showers and thunderstorms before 8am, then showers and thunderstorms likely between 8am and 4pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 86. Northeast wind 2 to 7 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch possible.
Night
A chance of showers and thunderstorms before 2am, then a chance of showers and thunderstorms. Partly cloudy, with a low around 72. Northeast wind around 6 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch possible.
Wednesday
Chance of Thunderstorms
Overnight: Mostly Cloudy
Wednesday
A chance of rain showers before 2pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 85. Northeast wind 7 to 10 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch possible.
Night
A chance of showers and thunderstorms before 8pm. Mostly cloudy, with a low around 69. Northeast wind around 13 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch possible.
Thursday
Mostly Cloudy
Overnight: Partly Cloudy
Thursday
Partly sunny, with a high near 80.
Night
Partly cloudy, with a low around 63.
Friday
Mostly Sunny
Overnight: Mostly Clear
Friday
Sunny, with a high near 79.
Night
Mostly clear, with a low around 62.
Saturday
Mostly Sunny
Overnight: Mostly Clear
Saturday
Sunny, with a high near 80.
Night
Mostly clear, with a low around 63.
Johns Island, SC Weather Analysis Tools
Regional Radar
Composite reflectivity with Lightning overlay.
Regional Observations
Regional & historic weather conditions near Johns Island, SC.
Active Alerts
Per-location alert detail and NWS source feeds.
Storm Reports
Recent storm reports including wind, hail, and tornadoes.
Model Analysis
Interactive forecast model guidance.
Satellite Imagery
GOES-East and GOES-West, visible and infrared.