Current conditions at

Greenville Downtown Airport (KGMU)

Lat: 34.85°NLon: 82.35°WElev: 1010ft.

Fair

25°C

77°F

Humidity 82%
Wind Speed SW 7 km/h
Barometer 1021.4 mb (30.20 in)
Dewpoint 22°C (71°F)
Visibility 16 km
Heat Index26°C (79°F)
Last update 8 Jun 10:53 pm EDT
Extended Forecast for

Simpsonville SC

  • Tonight

    Tonight: A slight chance of showers before midnight, then a chance of showers after 4am.  Mostly cloudy, with a low around 20. Calm wind.  Chance of precipitation is 30%. New precipitation amounts of less than 1 mm possible.

    Low: 20 °C

    Chance
    Showers

  • Tuesday

    Tuesday: A chance of showers and thunderstorms before 8am, then showers likely and possibly a thunderstorm between 8am and 2pm, then a chance of showers and thunderstorms after 2pm.  Mostly cloudy, with a high near 26. Light south southeast wind becoming south southwest 6 to 11 km/h in the morning.  Chance of precipitation is 70%. New rainfall amounts between 5 and 7.5 mm possible.

    High: 26 °C

    Showers
    Likely

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers before 8pm.  Mostly cloudy, with a low around 19. Southwest wind 3 to 8 km/h.  New precipitation amounts between 1 and 2.5 mm possible.

    Low: 19 °C

    Chance
    Showers then
    Mostly Cloudy

  • Wednesday

    Wednesday: A 30 percent chance of showers and thunderstorms, mainly after 3pm.  Partly sunny, with a high near 29. Southwest wind 11 to 14 km/h.

    High: 29 °C

    Partly Sunny
    then Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers and thunderstorms before 8pm.  Partly cloudy, with a low around 21. West southwest wind 5 to 8 km/h.

    Low: 21 °C

    Chance
    T-storms then
    Partly Cloudy

  • Thursday

    Thursday: A 30 percent chance of showers and thunderstorms, mainly after 4pm.  Mostly sunny, with a high near 31.

    High: 31 °C

    Mostly Sunny
    then Chance
    T-storms

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 21.

    Low: 21 °C

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 33.

    High: 33 °C

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 21.

    Low: 21 °C

    Partly Cloudy

Detailed Forecast

Tonight
A slight chance of showers before midnight, then a chance of showers after 4am. Mostly cloudy, with a low around 20. Calm wind. Chance of precipitation is 30%. New precipitation amounts of less than 1 mm possible.
Tuesday
A chance of showers and thunderstorms before 8am, then showers likely and possibly a thunderstorm between 8am and 2pm, then a chance of showers and thunderstorms after 2pm. Mostly cloudy, with a high near 26. Light south southeast wind becoming south southwest 6 to 11 km/h in the morning. Chance of precipitation is 70%. New rainfall amounts between 5 and 7.5 mm possible.
Tuesday Night
A 30 percent chance of showers before 8pm. Mostly cloudy, with a low around 19. Southwest wind 3 to 8 km/h. New precipitation amounts between 1 and 2.5 mm possible.
Wednesday
A 30 percent chance of showers and thunderstorms, mainly after 3pm. Partly sunny, with a high near 29. Southwest wind 11 to 14 km/h.
Wednesday Night
A 30 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 21. West southwest wind 5 to 8 km/h.
Thursday
A 30 percent chance of showers and thunderstorms, mainly after 4pm. Mostly sunny, with a high near 31.
Thursday Night
Mostly clear, with a low around 21.
Friday
Sunny, with a high near 33.
Friday Night
Partly cloudy, with a low around 21.
Saturday
Mostly sunny, with a high near 32.
Saturday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 21.
Sunday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 32.
Sunday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 20.
Monday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 31.
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ABOUT THIS FORECAST

 
Point Forecast:
Simpsonville SC
 34.71°N 82.25°W (Elev. 860 m)
7:23 pm EDT Jun 8, 2026
11pm EDT Jun 8, 2026-6pm EDT Jun 15, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database