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

39°F

4°C

Humidity 93%
Wind Speed NW 3 mph
Barometer 30.01 in (1016.6 mb)
Dewpoint 37°F (3°C)
Visibility 7.00 mi
Last update 8 Dec 5:53 am EST
Extended Forecast for

Simpsonville SC

  • Today

    Today: Rain likely before 9am, then a slight chance of rain after 3pm. Mostly cloudy, with a high near 44. Calm wind becoming northeast 5 to 8 mph in the morning. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    High: 44 °F

    Rain Likely
    then Slight
    Chance Rain

  • Tonight

    Tonight: Patchy fog after 4am. Otherwise, mostly cloudy, with a low around 27. Northeast wind 5 to 8 mph.

    Low: 27 °F

    Mostly Cloudy
    then Patchy
    Fog

  • 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. Southwest wind 6 to 10 mph, with gusts as high as 18 mph.

    Low: 32 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 55. Breezy, with a southwest wind 14 to 20 mph, with gusts as high as 31 mph.

    High: 55 °F

    Sunny then
    Mostly Sunny
    and Breezy

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 34.

    Low: 34 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 52.

    High: 52 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 32.

    Low: 32 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 54.

    High: 54 °F

    Mostly Sunny

Detailed Forecast

Today
Rain likely before 9am, then a slight chance of rain after 3pm. Mostly cloudy, with a high near 44. Calm wind becoming northeast 5 to 8 mph in the morning. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Tonight
Patchy fog after 4am. Otherwise, mostly cloudy, with a low around 27. Northeast wind 5 to 8 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. Southwest wind 6 to 10 mph, with gusts as high as 18 mph.
Wednesday
Mostly sunny, with a high near 55. Breezy, with a southwest wind 14 to 20 mph, with gusts as high as 31 mph.
Wednesday Night
Partly cloudy, with a low around 34.
Thursday
Mostly sunny, with a high near 52.
Thursday Night
Partly cloudy, with a low around 32.
Friday
Mostly sunny, with a high near 54.
Friday Night
Mostly clear, with a low around 31.
Saturday
Sunny, with a high near 51.
Saturday Night
Mostly clear, with a low around 24.
Sunday
Sunny, with a high near 44.
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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:
6:03 am EST Dec 8, 2025
Forecast Valid:
6am EST Dec 8, 2025-6pm EST Dec 14, 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