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

46°F

8°C

Humidity 58%
Wind Speed NE 8 mph
Barometer 30.44 in (1030.8 mb)
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Wind Chill42°F (6°C)
Last update 3 Mar 1:53 am EST
Extended Forecast for

Simpsonville SC

  • Overnight

    Overnight: Cloudy, with a low around 46. Northeast wind around 7 mph.

    Low: 46 °F

    Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 61. Northeast wind 5 to 7 mph becoming light and variable in the afternoon.

    High: 61 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Patchy fog after 4am. Otherwise, partly cloudy, with a low around 47. Calm wind.

    Low: 47 °F

    Partly Cloudy
    then Patchy
    Fog

  • Wednesday

    Wednesday: Patchy fog before 8am. Otherwise, mostly sunny, with a high near 75. Calm wind becoming southwest 5 to 9 mph in the morning.

    High: 75 °F

    Patchy Fog
    then Mostly
    Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 53. Light south southwest wind.

    Low: 53 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 78.

    High: 78 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 58.

    Low: 58 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 81.

    High: 81 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 60.

    Low: 60 °F

    Partly Cloudy

Detailed Forecast

Overnight
Cloudy, with a low around 46. Northeast wind around 7 mph.
Tuesday
Mostly cloudy, with a high near 61. Northeast wind 5 to 7 mph becoming light and variable in the afternoon.
Tuesday Night
Patchy fog after 4am. Otherwise, partly cloudy, with a low around 47. Calm wind.
Wednesday
Patchy fog before 8am. Otherwise, mostly sunny, with a high near 75. Calm wind becoming southwest 5 to 9 mph in the morning.
Wednesday Night
Mostly cloudy, with a low around 53. Light south southwest wind.
Thursday
Mostly sunny, with a high near 78.
Thursday Night
Mostly cloudy, with a low around 58.
Friday
Mostly sunny, with a high near 81.
Friday Night
Partly cloudy, with a low around 60.
Saturday
A 40 percent chance of showers after 1pm. Mostly sunny, with a high near 80.
Saturday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 61.
Sunday
Showers likely. Partly sunny, with a high near 80. Chance of precipitation is 60%.
Sunday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 60.
Monday
A 50 percent chance of showers. Mostly cloudy, with a high near 79.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Simpsonville SC
 34.73°N 82.25°W (Elev. 810 ft)
Last Update:
12:19 am EST Mar 3, 2026
Forecast Valid:
2am EST Mar 3, 2026-6pm EDT Mar 9, 2026
 
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