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.

A Few Clouds

74°F

23°C

Humidity 94%
Wind Speed Calm
Barometer 30.05 in (1016.4 mb)
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Last update 11 Jun 7:53 am EDT
Extended Forecast for

Simpsonville SC

  • Today

    Today: Patchy fog before 9am. Otherwise, sunny, with a high near 91. West southwest wind around 7 mph.

    High: 91 °F

    Patchy Fog
    then Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 73. Southwest wind around 6 mph.

    Low: 73 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 93. West wind 6 to 9 mph.

    High: 93 °F

    Sunny

  • Friday Night

    Friday Night: A slight chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 2am. Increasing clouds, with a low around 72. West wind 5 to 7 mph becoming calm after midnight. Chance of precipitation is 20%.

    Low: 72 °F

    Slight Chance
    T-storms then
    Slight Chance
    Showers

  • Saturday

    Saturday: Mostly sunny, with a high near 90. Northeast wind 5 to 7 mph becoming light and variable in the afternoon.

    High: 90 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 71.

    Low: 71 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 90.

    High: 90 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 71.

    Low: 71 °F

    Partly Cloudy

  • Monday

    Monday: A 50 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 86.

    High: 86 °F

    Mostly Sunny
    then Chance
    T-storms

Detailed Forecast

Today
Patchy fog before 9am. Otherwise, sunny, with a high near 91. West southwest wind around 7 mph.
Tonight
Mostly clear, with a low around 73. Southwest wind around 6 mph.
Friday
Sunny, with a high near 93. West wind 6 to 9 mph.
Friday Night
A slight chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 2am. Increasing clouds, with a low around 72. West wind 5 to 7 mph becoming calm after midnight. Chance of precipitation is 20%.
Saturday
Mostly sunny, with a high near 90. Northeast wind 5 to 7 mph becoming light and variable in the afternoon.
Saturday Night
Partly cloudy, with a low around 71.
Sunday
Mostly sunny, with a high near 90.
Sunday Night
Partly cloudy, with a low around 71.
Monday
A 50 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 86.
Monday Night
A chance of showers and thunderstorms, then showers likely after 2am. Mostly cloudy, with a low around 67. Chance of precipitation is 60%.
Tuesday
Showers and thunderstorms likely. Mostly cloudy, with a high near 80. Chance of precipitation is 60%.
Tuesday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 63.
Wednesday
A 30 percent chance of showers. Partly sunny, with a high near 82.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Simpsonville SC
 34.71°N 82.25°W (Elev. 860 ft)
Last Update:
6:34 am EDT Jun 11, 2026
Forecast Valid:
8am EDT Jun 11, 2026-6pm EDT Jun 17, 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