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

Hazardous Weather Conditions

Current conditions at

Greenville Spartanburg International Airport (KGSP)

Lat: 34.91°NLon: 82.21°WElev: 955ft.

Fog

36°F

2°C

Humidity 100%
Wind Speed Calm
Barometer 30.13 in (1020.7 mb)
Dewpoint 36°F (2°C)
Visibility 0.25 mi
Last update 7 Dec 8:53 am EST
Extended Forecast for

Duncan SC

Dense Fog Advisory December 7, 09:38am until December 7, 10:00am
Click here for hazard details and duration
...
  •  
    Dense Fog Advisory December 7, 09:38am until December 7, 10:00am

    NOW until 10:00am Sun

    Dense Fog Advisory

  • Today

    High: 49 °F

    Dense Fog
    then Partly
    Sunny

  • Tonight

    Tonight: A 40 percent chance of rain, mainly after 3am. Patchy fog after midnight. Otherwise, mostly cloudy, with a low around 36. Calm wind. New precipitation amounts of less than a tenth of an inch possible.

    Low: 36 °F

    Mostly Cloudy
    then Chance
    Rain and
    Patchy Fog

  • Monday

    Monday: A 50 percent chance of rain, mainly before 3pm. Patchy fog before 11am. Otherwise, mostly cloudy, with a high near 46. Light north wind becoming northeast 5 to 9 mph in the morning. New precipitation amounts of less than a tenth of an inch possible.

    High: 46 °F

    Chance Rain
    and Patchy
    Fog

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 25. Northeast wind 3 to 6 mph.

    Low: 25 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 44. Calm wind becoming southwest 5 to 8 mph in the afternoon.

    High: 44 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 32.

    Low: 32 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 54.

    High: 54 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 35.

    Low: 35 °F

    Partly Cloudy

Detailed Forecast

Today
Widespread dense fog before noon. Otherwise, partly sunny, with a high near 49. Calm wind.
Tonight
A 40 percent chance of rain, mainly after 3am. Patchy fog after midnight. Otherwise, mostly cloudy, with a low around 36. Calm wind. New precipitation amounts of less than a tenth of an inch possible.
Monday
A 50 percent chance of rain, mainly before 3pm. Patchy fog before 11am. Otherwise, mostly cloudy, with a high near 46. Light north wind becoming northeast 5 to 9 mph in the morning. New precipitation amounts of less than a tenth of an inch possible.
Monday Night
Mostly cloudy, with a low around 25. Northeast wind 3 to 6 mph.
Tuesday
Mostly sunny, with a high near 44. Calm wind becoming southwest 5 to 8 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 32.
Wednesday
Mostly sunny, with a high near 54.
Wednesday Night
Partly cloudy, with a low around 35.
Thursday
Partly sunny, with a high near 57.
Thursday Night
A 50 percent chance of rain after 8pm. Mostly cloudy, with a low around 42.
Friday
A 40 percent chance of rain. Partly sunny, with a high near 53.
Friday Night
Mostly clear, with a low around 24.
Saturday
Sunny, with a high near 41.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Duncan SC
 34.95°N 82.14°W (Elev. 869 ft)
Last Update:
9:29 am EST Dec 7, 2025
Forecast Valid:
9am EST Dec 7, 2025-6pm EST Dec 13, 2025
 
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