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

Hazardous Weather Conditions

Current conditions at

Greenville Downtown Airport (KGMU)

Lat: 34.85°NLon: 82.35°WElev: 1010ft.

Fog

32°F

0°C

Humidity 100%
Wind Speed E 3 mph
Barometer 30.08 in (1019.2 mb)
Dewpoint 32°F (0°C)
Visibility 0.25 mi
Last update 7 Dec 6:53 am EST
Extended Forecast for

Simpsonville SC

Dense Fog Advisory December 7, 07:06am until December 7, 10:00am
Click here for hazard details and duration
...
  •  
    Dense Fog Advisory December 7, 07:06am 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 37. Calm wind. New precipitation amounts of less than a tenth of an inch possible.

    Low: 37 °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 47. Northeast wind 5 to 10 mph. New precipitation amounts of less than a tenth of an inch possible.

    High: 47 °F

    Chance Rain
    and Patchy
    Fog

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 26. Northeast wind 5 to 9 mph.

    Low: 26 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 45. Light and variable wind becoming southwest 5 to 8 mph in the morning.

    High: 45 °F

    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 55.

    High: 55 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 37.

    Low: 37 °F

    Partly Cloudy

Detailed Forecast

Today
Widespread dense fog, mainly before 10am. Otherwise, mostly cloudy, with a high near 49. Light east northeast wind.
Tonight
A 40 percent chance of rain, mainly after 3am. Patchy fog after midnight. Otherwise, mostly cloudy, with a low around 37. 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 47. Northeast wind 5 to 10 mph. New precipitation amounts of less than a tenth of an inch possible.
Monday Night
Mostly cloudy, with a low around 26. Northeast wind 5 to 9 mph.
Tuesday
Sunny, with a high near 45. Light and variable wind becoming southwest 5 to 8 mph in the morning.
Tuesday Night
Mostly clear, with a low around 32.
Wednesday
Mostly sunny, with a high near 55.
Wednesday Night
Partly cloudy, with a low around 37.
Thursday
Mostly sunny, with a high near 58.
Thursday Night
A 40 percent chance of rain after 8pm. Mostly cloudy, with a low around 44.
Friday
A 40 percent chance of rain. Partly sunny, with a high near 55.
Friday Night
Mostly clear, with a low around 25.
Saturday
Sunny, with a high near 42.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Simpsonville SC
 34.73°N 82.25°W (Elev. 810 ft)
Last Update:
5:33 am EST Dec 7, 2025
Forecast Valid:
7am 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