Barnwell, South Carolina Weather
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Weather Forecast for Barnwell, South Carolina : Barnwell County
Issued: 12:45 am EDT Jul 18, 2025 Latitude: 33.2448733 Longitude: -81.3587178 View on Google Maps

MouseOver for Detail Forecast
Overnight Friday Saturday Sunday Monday Tuesday Wednesday Thursday
Mostly Clear on Overnight 30% chance of thunderstorms on Friday Sunny on Saturday 30% chance of thunderstorms on Sunday 50% chance of thunderstorms on Monday 70% chance of thunderstorms on Tuesday 40% chance of thunderstorms on Wednesday 30% chance of thunderstorms on Thursday
Low: 74°F High: 95°F High: 97°F High: 97°F High: 97°F High: 91°F High: 92°F High: 93°F
Low: 75°F Low: 77°F Low: 77°F Low: 74°F Low: 72°F Low: 71°F  
Mostly Clear Thunderstorms Sunny Thunderstorms Thunderstorms Thunderstorms Thunderstorms Thunderstorms
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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
Current Conditions at
AUGUSTA BUSH FIELD - (KAGS)
81°
Clear
as of 11:53 PM EDST
Rel. Humidity: 83%
Dew Point: 75°F
Visibility: 10 Miles
Pressure: 30.11 in.
Flight Rule: VFR
Wind Data
5 MPH
190° South
Cloud Level(s): Clear
Current Conditions at
AUGUSTA DANIEL FIELD - (KDNL)
82°
Clear
as of 11:53 PM EDST
Rel. Humidity: 78%
Dew Point: 75°F
Visibility: 10 Miles
Pressure: 30.14 in.
Flight Rule: VFR
Wind Data
6 MPH
180° South
Cloud Level(s): Clear
Current Conditions at
SYLVANIA - (KJYL)
79°
Partly Cloudy
as of 12:35 AM EDST
Rel. Humidity: 100%
Dew Point: 79°F
Visibility: 10 Miles
Pressure: 30.15 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Scattered at 6500ft
Mostly Clear on Overnight Overnight... Mostly clear, with a low around 74. Calm wind.
30% chance of thunderstorms Friday Friday... A chance of showers and thunderstorms, mainly between 2pm and 3pm. Mostly sunny, with a high near 95. Heat index values as high as 106. Calm wind becoming southwest around 5 mph in the afternoon. Chance of precipitation is 30%.
Cloudy on Friday Night Friday Night... Partly cloudy, with a low around 75. Calm wind.
Sunny on Saturday Saturday... Sunny and hot, with a high near 97. Heat index values as high as 105. Calm wind becoming west 5 to 7 mph in the afternoon.
Mostly Clear on Saturday Night Saturday Night... Mostly clear, with a low around 77. Light southwest wind.
30% chance of thunderstorms Sunday Sunday... A chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 97. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
30% chance of thunderstorms Sunday Night Sunday Night... A chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 77. Chance of precipitation is 30%.
50% chance of thunderstorms Monday Monday... A chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 97. Chance of precipitation is 50%.
40% chance of thunderstorms Monday Night Monday Night... A chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 74. Chance of precipitation is 40%.
70% chance of thunderstorms Tuesday Tuesday... Showers and thunderstorms likely after 2pm. Partly sunny, with a high near 91. Chance of precipitation is 70%.
60% chance of thunderstorms Tuesday Night Tuesday Night... Showers and thunderstorms likely. Mostly cloudy, with a low around 72. Chance of precipitation is 60%.
40% chance of thunderstorms Wednesday Wednesday... A chance of showers and thunderstorms. Mostly sunny, with a high near 92. Chance of precipitation is 40%.
30% chance of thunderstorms Wednesday Night Wednesday Night... A chance of showers and thunderstorms. Partly cloudy, with a low around 71. Chance of precipitation is 30%.
30% chance of thunderstorms Thursday Thursday... A chance of showers and thunderstorms. Mostly sunny, with a high near 93. Chance of precipitation is 30%.
Current Radar Image


Sun Almanac for Barnwell, South Carolina
Sunrise: 06:29 AM
Sunset: 8:34 PM
Civil Sunrise:06:01 AM
Civil Sunset: 9:02 PM
Nautical Sunrise: 05:27 AM
Nautical Sunset: 9:36 PM
Astro Sunrise: 04:51 AM
Astro Sunset: 10:13 PM
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