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

43°F

6°C

Humidity 93%
Wind Speed W 3 mph
Barometer 29.82 in (1010.2 mb)
Dewpoint 41°F (5°C)
Visibility 5.00 mi
Last update 2 Dec 11:53 am EST
Extended Forecast for

Simpsonville SC

  • This Afternoon

    This Afternoon: Patchy fog before 2pm. Otherwise, mostly cloudy, with a high near 50. West southwest wind 6 to 8 mph.

    High: 50 °F

    Patchy Fog

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming mostly clear, with a low around 30. North wind 5 to 7 mph.

    Low: 30 °F

    Decreasing
    Clouds

  • Wednesday

    Wednesday: Mostly sunny, with a high near 50. Calm wind becoming southwest around 6 mph in the afternoon.

    High: 50 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 30. Calm wind.

    Low: 30 °F

    Partly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 53. Calm wind becoming west southwest around 5 mph in the afternoon.

    High: 53 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Rain likely, mainly after 4am. Mostly cloudy, with a low around 35. Chance of precipitation is 60%.

    Low: 35 °F

    Mostly Cloudy
    then Rain
    Likely

  • Friday

    Friday: Rain. High near 42. Chance of precipitation is 90%.

    High: 42 °F

    Rain

  • Friday Night

    Friday Night: Rain likely, mainly before 8pm. Cloudy, with a low around 35. Chance of precipitation is 60%.

    Low: 35 °F

    Rain Likely

  • Saturday

    Saturday: A 40 percent chance of rain. Mostly cloudy, with a high near 51.

    High: 51 °F

    Chance Rain

Detailed Forecast

This Afternoon
Patchy fog before 2pm. Otherwise, mostly cloudy, with a high near 50. West southwest wind 6 to 8 mph.
Tonight
Mostly cloudy, then gradually becoming mostly clear, with a low around 30. North wind 5 to 7 mph.
Wednesday
Mostly sunny, with a high near 50. Calm wind becoming southwest around 6 mph in the afternoon.
Wednesday Night
Partly cloudy, with a low around 30. Calm wind.
Thursday
Partly sunny, with a high near 53. Calm wind becoming west southwest around 5 mph in the afternoon.
Thursday Night
Rain likely, mainly after 4am. Mostly cloudy, with a low around 35. Chance of precipitation is 60%.
Friday
Rain. High near 42. Chance of precipitation is 90%.
Friday Night
Rain likely, mainly before 8pm. Cloudy, with a low around 35. Chance of precipitation is 60%.
Saturday
A 40 percent chance of rain. Mostly cloudy, with a high near 51.
Saturday Night
Mostly cloudy, with a low around 36.
Sunday
Partly sunny, with a high near 51.
Sunday Night
Partly cloudy, with a low around 34.
Monday
Mostly sunny, with a high near 50.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Simpsonville SC
 34.71°N 82.28°W (Elev. 850 ft)
Last Update:
12:18 pm EST Dec 2, 2025
Forecast Valid:
12pm EST Dec 2, 2025-6pm EST Dec 8, 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