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.

Fog/Mist

42°F

6°C

Humidity 96%
Wind Speed Calm
Barometer 29.99 in (1015.9 mb)
Dewpoint 41°F (5°C)
Visibility 1.00 mi
Last update 6 Dec 9:53 am EST
Extended Forecast for

Simpsonville SC

  • Today

    Today: A 20 percent chance of rain before 1pm. Patchy fog before 11am. Otherwise, cloudy, with a high near 49. West southwest wind 3 to 6 mph.

    High: 49 °F

    Slight Chance
    Rain and
    Patchy Fog

  • Tonight

    Tonight: Patchy fog after midnight. Otherwise, partly cloudy, with a low around 32. Calm wind.

    Low: 32 °F

    Partly Cloudy
    then Patchy
    Fog

  • Sunday

    Sunday: Patchy fog before 10am. Otherwise, mostly sunny, with a high near 51. Calm wind becoming southeast around 5 mph in the afternoon.

    High: 51 °F

    Patchy Fog
    then Mostly
    Sunny

  • Sunday Night

    Sunday Night: A 30 percent chance of rain, mainly after 4am. Mostly cloudy, with a low around 37. Calm wind becoming north around 5 mph after midnight. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 37 °F

    Partly Cloudy
    then Chance
    Rain

  • Monday

    Monday: A 50 percent chance of rain, mainly before 4pm. Mostly cloudy, with a high near 46. North northeast wind 6 to 10 mph.

    High: 46 °F

    Chance Rain

  • Monday Night

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

    Low: 26 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 45.

    High: 45 °F

    Mostly Sunny

  • Tuesday Night

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

    Low: 31 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 55.

    High: 55 °F

    Mostly Sunny

Detailed Forecast

Today
A 20 percent chance of rain before 1pm. Patchy fog before 11am. Otherwise, cloudy, with a high near 49. West southwest wind 3 to 6 mph.
Tonight
Patchy fog after midnight. Otherwise, partly cloudy, with a low around 32. Calm wind.
Sunday
Patchy fog before 10am. Otherwise, mostly sunny, with a high near 51. Calm wind becoming southeast around 5 mph in the afternoon.
Sunday Night
A 30 percent chance of rain, mainly after 4am. Mostly cloudy, with a low around 37. Calm wind becoming north around 5 mph after midnight. New precipitation amounts between a tenth and quarter of an inch possible.
Monday
A 50 percent chance of rain, mainly before 4pm. Mostly cloudy, with a high near 46. North northeast wind 6 to 10 mph.
Monday Night
Mostly cloudy, with a low around 26.
Tuesday
Mostly sunny, with a high near 45.
Tuesday Night
Mostly clear, with a low around 31.
Wednesday
Mostly sunny, with a high near 55.
Wednesday Night
Partly cloudy, with a low around 35.
Thursday
Mostly sunny, with a high near 56.
Thursday Night
Mostly cloudy, with a low around 37.
Friday
Mostly 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:
5:54 am EST Dec 6, 2025
Forecast Valid:
10am EST Dec 6, 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