National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Orangeburg, Orangeburg Municipal Airport (KOGB)

Lat: 33.46°NLon: 80.85°WElev: 197ft.

Fair

78°F

26°C

Humidity 93%
Wind Speed Calm
Barometer 30.02 in (1016.2 mb)
Dewpoint 76°F (24°C)
Visibility 10.00 mi
Heat Index81°F (27°C)
Last update 16 Aug 10:53 pm EDT
Extended Forecast for

Barnwell SC

Heat Advisory August 16, 11:09pm until August 17, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory August 16, 11:09pm until August 17, 08:00pm

    NOW until 8:00pm Mon

    Heat Advisory

  • Tonight

    Low: 77 °F

    Mostly Clear

  • Monday

    Monday: Sunny and hot, with a high near 99. Heat index values as high as 106. Calm wind becoming west around 5 mph in the afternoon.

    High: 99 °F

    Hot

  • Monday Night

    Monday Night: Mostly clear, with a low around 77. Calm wind.

    Low: 77 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny and hot, with a high near 98. Heat index values as high as 107. Light west wind.

    High: 98 °F

    Hot

  • Tuesday Night

    Tuesday Night: A slight chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 75. Calm wind. Chance of precipitation is 20%.

    Low: 75 °F

    Slight Chance
    T-storms

  • Wednesday

    Wednesday: A slight chance of showers and thunderstorms after 2pm. Sunny and hot, with a high near 97. Chance of precipitation is 20%.

    High: 97 °F

    Sunny then
    Slight Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 75.

    Low: 75 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny and hot, with a high near 98.

    High: 98 °F

    Hot

Detailed Forecast

Tonight
Mostly clear, with a low around 77. Calm wind.
Monday
Sunny and hot, with a high near 99. Heat index values as high as 106. Calm wind becoming west around 5 mph in the afternoon.
Monday Night
Mostly clear, with a low around 77. Calm wind.
Tuesday
Sunny and hot, with a high near 98. Heat index values as high as 107. Light west wind.
Tuesday Night
A slight chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 75. Calm wind. Chance of precipitation is 20%.
Wednesday
A slight chance of showers and thunderstorms after 2pm. Sunny and hot, with a high near 97. Chance of precipitation is 20%.
Wednesday Night
Mostly clear, with a low around 75.
Thursday
Mostly sunny and hot, with a high near 98.
Thursday Night
Partly cloudy, with a low around 74.
Friday
A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 95. Chance of precipitation is 50%.
Friday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 73. Chance of precipitation is 50%.
Saturday
A chance of showers and thunderstorms. Partly sunny, with a high near 92. Chance of precipitation is 50%.
Saturday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 72. Chance of precipitation is 40%.
Sunday
Mostly sunny, with a high near 93.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Barnwell SC
 33.23°N 81.36°W (Elev. 207 ft)
Last Update:
7:56 pm EDT Aug 16, 2026
Forecast Valid:
11pm EDT Aug 16, 2026-6pm EDT Aug 23, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation