Current conditions at

Greenville Downtown Airport (KGMU)

Lat: 34.85°NLon: 82.35°WElev: 1010ft.

Fair

83°F

28°C

Humidity 48%
Wind Speed S 5 mph
Barometer 29.99 in (1014.3 mb)
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Heat Index84°F (29°C)
Last update 21 Jun 11:53 am EDT
Extended Forecast for

Simpsonville SC

  • This Afternoon

    This Afternoon: Sunny, with a high near 88. Southwest wind 3 to 7 mph.

    High: 88 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 70. Southwest wind around 6 mph.

    Low: 70 °F

    Mostly Clear

  • Monday

    Monday: A chance of showers and thunderstorms before 4pm, then a slight chance of showers between 4pm and 5pm, then a slight chance of showers and thunderstorms after 5pm.  Mostly sunny, with a high near 88. West southwest wind 11 to 17 mph, with gusts as high as 28 mph.  Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 88 °F

    Sunny then
    Chance
    T-storms

  • Monday Night

    Monday Night: A 30 percent chance of showers and thunderstorms, mainly before 1am.  Partly cloudy, with a low around 71. West southwest wind 10 to 14 mph, with gusts as high as 23 mph.  New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 71 °F

    Chance
    T-storms then
    Chance
    Showers

  • Tuesday

    Tuesday: Sunny, with a high near 88. West wind around 9 mph.

    High: 88 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 68.

    Low: 68 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 86.

    High: 86 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 68.

    Low: 68 °F

    Mostly Clear

  • Thursday

    Thursday: A 40 percent chance of showers and thunderstorms after 2pm.  Mostly sunny, with a high near 87.

    High: 87 °F

    Mostly Sunny
    then Chance
    T-storms

Detailed Forecast

This Afternoon
Sunny, with a high near 88. Southwest wind 3 to 7 mph.
Tonight
Mostly clear, with a low around 70. Southwest wind around 6 mph.
Monday
A chance of showers and thunderstorms before 4pm, then a slight chance of showers between 4pm and 5pm, then a slight chance of showers and thunderstorms after 5pm. Mostly sunny, with a high near 88. West southwest wind 11 to 17 mph, with gusts as high as 28 mph. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday Night
A 30 percent chance of showers and thunderstorms, mainly before 1am. Partly cloudy, with a low around 71. West southwest wind 10 to 14 mph, with gusts as high as 23 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday
Sunny, with a high near 88. West wind around 9 mph.
Tuesday Night
Partly cloudy, with a low around 68.
Wednesday
Mostly sunny, with a high near 86.
Wednesday Night
Mostly clear, with a low around 68.
Thursday
A 40 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 87.
Thursday Night
A 30 percent chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 68.
Friday
Mostly sunny, with a high near 88.
Friday Night
Partly cloudy, with a low around 70.
Saturday
Mostly sunny, with a high near 90.
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ABOUT THIS FORECAST

 
Point Forecast:
Simpsonville SC
 34.74°N 82.28°W (Elev. 863 ft)
6:19 am EDT Jun 21, 2026
12pm EDT Jun 21, 2026-6pm EDT Jun 27, 2026
 
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Additional Resources

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Hourly Weather Forecast

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