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

Greenville Downtown Airport (KGMU)

Lat: 34.85°NLon: 82.35°WElev: 1010ft.

Fair

37°F

3°C

Humidity 89%
Wind Speed Calm
Barometer 30.16 in (1022.0 mb)
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Last update 3 Dec 11:53 pm EST
Extended Forecast for

Simpsonville SC

  • Overnight

    Overnight: Patchy fog between 3am and 4am. Areas of freezing fog after 4am. Otherwise, partly cloudy, with a low around 30. Calm wind.

    Low: 30 °F

    Areas
    Freezing Fog
    and Patchy
    Fog

  • Thursday

    Thursday: Areas of fog between 8am and 10am. Areas of freezing fog before 8am. Otherwise, increasing clouds, with a high near 51. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 51 °F

    Areas
    Freezing Fog
    and Areas Fog
    then Mostly
    Cloudy

  • Thursday Night

    Thursday Night: Rain, mainly after 2am. Patchy fog after 2am. Low around 36. Calm wind becoming northeast around 6 mph after midnight. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 36 °F

    Mostly Cloudy
    then Rain and
    Patchy Fog

  • Friday

    Friday: Rain. High near 41. Northeast wind 6 to 8 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

    High: 41 °F

    Rain

  • Friday Night

    Friday Night: Rain likely, mainly before 7pm. Cloudy, with a low around 35. Light and variable wind. Chance of precipitation is 60%.

    Low: 35 °F

    Rain Likely

  • Saturday

    Saturday: A 40 percent chance of rain. Mostly cloudy, with a high near 50.

    High: 50 °F

    Chance Rain

  • Saturday Night

    Saturday Night: A 40 percent chance of rain. Mostly cloudy, with a low around 37.

    Low: 37 °F

    Chance Rain

  • Sunday

    Sunday: A 30 percent chance of rain. Partly sunny, with a high near 49.

    High: 49 °F

    Chance Rain

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 35.

    Low: 35 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Patchy fog between 3am and 4am. Areas of freezing fog after 4am. Otherwise, partly cloudy, with a low around 30. Calm wind.
Thursday
Areas of fog between 8am and 10am. Areas of freezing fog before 8am. Otherwise, increasing clouds, with a high near 51. Calm wind becoming southwest around 5 mph in the afternoon.
Thursday Night
Rain, mainly after 2am. Patchy fog after 2am. Low around 36. Calm wind becoming northeast around 6 mph after midnight. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday
Rain. High near 41. Northeast wind 6 to 8 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
Friday Night
Rain likely, mainly before 7pm. Cloudy, with a low around 35. Light and variable wind. Chance of precipitation is 60%.
Saturday
A 40 percent chance of rain. Mostly cloudy, with a high near 50.
Saturday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 37.
Sunday
A 30 percent chance of rain. Partly sunny, with a high near 49.
Sunday Night
Mostly cloudy, with a low around 35.
Monday
Mostly sunny, with a high near 48.
Monday Night
Partly cloudy, with a low around 25.
Tuesday
Sunny, with a high near 48.
Tuesday Night
Mostly clear, with a low around 31.
Wednesday
Sunny, with a high near 54.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Simpsonville SC
 34.71°N 82.25°W (Elev. 860 ft)
Last Update:
5:33 pm EST Dec 3, 2025
Forecast Valid:
12am EST Dec 4, 2025-6pm EST Dec 10, 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