Current conditions at

Greenville Downtown Airport (KGMU)

Lat: 34.85°NLon: 82.35°WElev: 1010ft.

Fair

82°F

28°C

Humidity 69%
Wind Speed SW 10 G 18 mph
Barometer 29.92 in (1011.9 mb)
Dewpoint 71°F (22°C)
Visibility 10.00 mi
Heat Index86°F (30°C)
Last update 14 Jun 2:53 pm EDT
Extended Forecast for

Simpsonville SC

  • This Afternoon

    This Afternoon: A 50 percent chance of showers and thunderstorms, mainly before 5pm.  Partly sunny, with a high near 91. West southwest wind around 14 mph, with gusts as high as 24 mph.  New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 91 °F

    Chance
    T-storms

  • Tonight

    Tonight: A slight chance of showers and thunderstorms between 9pm and 11pm.  Partly cloudy, with a low around 71. West southwest wind 6 to 13 mph, with gusts as high as 20 mph.  Chance of precipitation is 20%.

    Low: 71 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Monday

    Monday: Increasing clouds, with a high near 87. Light and variable wind becoming west 5 to 7 mph in the afternoon.

    High: 87 °F

    Increasing
    Clouds

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 66. West southwest wind 5 to 7 mph becoming calm  after midnight.

    Low: 66 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 83. North northeast wind 5 to 7 mph becoming south in the afternoon.

    High: 83 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 65.

    Low: 65 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 87.

    High: 87 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 70.

    Low: 70 °F

    Mostly Clear

  • Thursday

    Thursday: A 40 percent chance of showers and thunderstorms after 2pm.  Partly sunny, with a high near 88.

    High: 88 °F

    Partly Sunny
    then Chance
    T-storms

Detailed Forecast

This Afternoon
A 50 percent chance of showers and thunderstorms, mainly before 5pm. Partly sunny, with a high near 91. West southwest wind around 14 mph, with gusts as high as 24 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
A slight chance of showers and thunderstorms between 9pm and 11pm. Partly cloudy, with a low around 71. West southwest wind 6 to 13 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
Monday
Increasing clouds, with a high near 87. Light and variable wind becoming west 5 to 7 mph in the afternoon.
Monday Night
Mostly cloudy, with a low around 66. West southwest wind 5 to 7 mph becoming calm after midnight.
Tuesday
Partly sunny, with a high near 83. North northeast wind 5 to 7 mph becoming south in the afternoon.
Tuesday Night
Mostly cloudy, with a low around 65.
Wednesday
Mostly sunny, with a high near 87.
Wednesday Night
Mostly clear, with a low around 70.
Thursday
A 40 percent chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 88.
Thursday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 71. Chance of precipitation is 50%.
Juneteenth
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 84. Chance of precipitation is 70%.
Friday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 66. Chance of precipitation is 60%.
Saturday
Mostly sunny, with a high near 83.
Saturday Night
Partly cloudy, with a low around 64.
Sunday
Sunny, with a high near 85.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Simpsonville SC
 34.71°N 82.25°W (Elev. 860 ft)
2:24 pm EDT Jun 14, 2026
3pm EDT Jun 14, 2026-6pm EDT Jun 21, 2026
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database