Gannon, South Carolina Weather
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Weather Forecast for Gannon, South Carolina : Charleston County
Issued: 5:58 pm EDT Jul 17, 2025 Latitude: 32.687124 Longitude: -80.2773214 View on Google Maps

MouseOver for Detail Forecast
Overnight Friday Saturday Sunday Monday Tuesday Wednesday Thursday
Mostly Clear on Overnight 20% chance of thunderstorms on Friday Sunny on Saturday 20% chance of thunderstorms on Sunday 50% chance of thunderstorms on Monday 60% chance of thunderstorms on Tuesday 50% chance of thunderstorms on Wednesday 40% chance of thunderstorms on Thursday
Low: 77°F High: 93°F High: 95°F High: 96°F High: 95°F High: 89°F High: 88°F High: 90°F
Low: 77°F Low: 79°F Low: 79°F Low: 76°F Low: 76°F Low: 75°F  
Mostly Clear Thunderstorms Sunny Thunderstorms Thunderstorms Thunderstorms Thunderstorms Thunderstorms
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Current Conditions at
CHARLESTON - (KCHS)
81°
Mostly Clear
as of 11:56 PM EDST
Rel. Humidity: 88%
Dew Point: 77°F
Visibility: 10 Miles
Pressure: 30.14 in.
Flight Rule: VFR
Wind Data
6 MPH
210° Southwest
Cloud Level(s): Few at 25000ft
Current Conditions at
BEAUFORT MCAS - (KNBC)
81°
Clear
as of 11:56 PM EDST
Rel. Humidity: 88%
Dew Point: 77°F
Visibility: 10 Miles
Pressure: 30.14 in.
Flight Rule: VFR
Wind Data
5 MPH
190° South
Cloud Level(s): Clear
Current Conditions at
HILTON HEAD - (KHXD)
82°
Partly Cloudy
as of 12:15 AM EDST
Rel. Humidity: 83%
Dew Point: 77°F
Visibility: 10 Miles
Pressure: 30.15 in.
Flight Rule: VFR
Wind Data
8 MPH
Gust: 16 MPH
200° South
Cloud Level(s): Scattered at 1700ft
Current Conditions at
ORANGEBURG - (KOGB)
79°
Clear
as of 11:53 PM EDST
Rel. Humidity: 83%
Dew Point: 73°F
Visibility: 10 Miles
Pressure: 30.14 in.
Flight Rule: VFR
Wind Data
6 MPH
180° South
Cloud Level(s): Clear
Mostly Clear on Overnight Overnight... Mostly clear, with a low around 77. South wind around 6 mph.
20% chance of thunderstorms Friday Friday... A 20 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 93. Heat index values as high as 105. Southwest wind 6 to 9 mph.
Mostly Clear on Friday Night Friday Night... Mostly clear, with a low around 77. Southwest wind 6 to 9 mph.
Sunny on Saturday Saturday... Sunny, with a high near 95. Heat index values as high as 106. Southwest wind 6 to 9 mph.
Mostly Clear on Saturday Night Saturday Night... Mostly clear, with a low around 79. South wind 6 to 9 mph.
20% chance of thunderstorms Sunday Sunday... A 20 percent chance of showers and thunderstorms after 2pm. Sunny, with a high near 96.
20% chance of thunderstorms Sunday Night Sunday Night... A 20 percent chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 79.
50% chance of thunderstorms Monday Monday... A 50 percent chance of showers and thunderstorms, mainly after 2pm. Mostly sunny, with a high near 95.
40% chance of thunderstorms Monday Night Monday Night... A 40 percent chance of showers and thunderstorms, mainly before 2am. Mostly cloudy, with a low around 76.
60% chance of thunderstorms Tuesday Tuesday... Showers and thunderstorms likely, mainly after 2pm. Mostly cloudy, with a high near 89. Chance of precipitation is 60%.
60% chance of thunderstorms Tuesday Night Tuesday Night... Showers and thunderstorms likely. Mostly cloudy, with a low around 76. Chance of precipitation is 60%.
50% chance of thunderstorms Wednesday Wednesday... A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 88.
20% chance of thunderstorms Wednesday Night Wednesday Night... A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 75.
40% chance of thunderstorms Thursday Thursday... A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 90.
Current Radar Image


Sun Almanac for Gannon, South Carolina
Sunrise: 06:26 AM
Sunset: 8:28 PM
Civil Sunrise:05:59 AM
Civil Sunset: 8:56 PM
Nautical Sunrise: 05:25 AM
Nautical Sunset: 9:30 PM
Astro Sunrise: 04:49 AM
Astro Sunset: 10:06 PM
Any use of the information on this page is at your own risk. This information should not be relied upon in life-threatening situations, potential financial loss situations or in lieu of any officially disseminated information. Visit the National Weather Service for official information.