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.

Overcast

41°F

5°C

Humidity 89%
Wind Speed NE 5 mph
Barometer 29.98 in (1015.6 mb)
Dewpoint 38°F (3°C)
Visibility 10.00 mi
Wind Chill38°F (3°C)
Last update 5 Dec 5:53 pm EST
Extended Forecast for

Simpsonville SC

  • Tonight

    Tonight: Patchy fog after 9pm. Otherwise, cloudy, with a low around 38. Calm wind.

    Low: 38 °F

    Patchy Fog

  • Saturday

    Saturday: A 20 percent chance of rain between 1pm and 2pm. Patchy fog before 11am. Otherwise, cloudy, with a high near 51. Calm wind becoming west southwest 5 to 7 mph in the afternoon.

    High: 51 °F

    Slight Chance
    Rain and
    Patchy Fog

  • Saturday Night

    Saturday Night: Patchy fog after midnight. Otherwise, partly cloudy, with a low around 31. Calm wind.

    Low: 31 °F

    Mostly Clear
    then Patchy
    Fog

  • Sunday

    Sunday: Mostly sunny, with a high near 52. Calm wind becoming east around 5 mph in the afternoon.

    High: 52 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: A 20 percent chance of rain after 2am. Mostly cloudy, with a low around 37. Light and variable wind.

    Low: 37 °F

    Partly Cloudy
    then Slight
    Chance Rain

  • Monday

    Monday: A 40 percent chance of rain, mainly before 1pm. Mostly cloudy, with a high near 47.

    High: 47 °F

    Chance Rain

  • Monday Night

    Monday Night: Partly cloudy, with a low around 26.

    Low: 26 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 46.

    High: 46 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 31.

    Low: 31 °F

    Mostly Clear

Detailed Forecast

Tonight
Patchy fog after 9pm. Otherwise, cloudy, with a low around 38. Calm wind.
Saturday
A 20 percent chance of rain between 1pm and 2pm. Patchy fog before 11am. Otherwise, cloudy, with a high near 51. Calm wind becoming west southwest 5 to 7 mph in the afternoon.
Saturday Night
Patchy fog after midnight. Otherwise, partly cloudy, with a low around 31. Calm wind.
Sunday
Mostly sunny, with a high near 52. Calm wind becoming east around 5 mph in the afternoon.
Sunday Night
A 20 percent chance of rain after 2am. Mostly cloudy, with a low around 37. Light and variable wind.
Monday
A 40 percent chance of rain, mainly before 1pm. Mostly cloudy, with a high near 47.
Monday Night
Partly cloudy, with a low around 26.
Tuesday
Mostly sunny, with a high near 46.
Tuesday Night
Mostly clear, with a low around 31.
Wednesday
Mostly sunny, with a high near 54.
Wednesday Night
Partly cloudy, with a low around 38.
Thursday
Mostly sunny, with a high near 55.
Thursday Night
Partly cloudy, with a low around 36.
Friday
Sunny, with a high near 55.
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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 5, 2025
Forecast Valid:
6pm EST Dec 5, 2025-6pm EST Dec 12, 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