Current conditions at

Greenville Downtown Airport (KGMU)

Lat: 34.85°NLon: 82.35°WElev: 1010ft.

Overcast

63°F

17°C

Humidity 97%
Wind Speed SE 5 mph
Barometer 29.90 in (1012.0 mb)
Dewpoint 62°F (17°C)
Visibility 10.00 mi
Last update 15 Mar 6:53 pm EDT
Extended Forecast for

Simpsonville SC

  • Tonight

    Tonight: A chance of showers and thunderstorms before 3am, then showers likely and possibly a thunderstorm between 3am and 4am, then a chance of showers and thunderstorms after 4am.  Patchy fog between 11pm and midnight.  Otherwise, mostly cloudy, with a low around 61. East southeast wind 5 to 11 mph becoming south after midnight. Winds could gust as high as 26 mph.  Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 61 °F

    Chance
    Showers and
    Patchy Fog
    then Showers
    Likely

  • Monday

    Monday: Showers and thunderstorms before noon, then showers likely and possibly a thunderstorm between noon and 2pm, then a chance of showers after 2pm.  Temperature falling to around 50 by 5pm. Breezy, with a south wind 17 to 23 mph, with gusts as high as 39 mph.  Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.

    High: 65 °F

    Breezy.
    T-storms then
    Showers
    Likely

  • Monday Night

    Monday Night: Mostly clear, with a low around 28. West wind 10 to 18 mph, with gusts as high as 34 mph.

    Low: 28 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 49. West wind 8 to 14 mph, with gusts as high as 22 mph.

    High: 49 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 26. West northwest wind around 6 mph becoming light and variable  after midnight.

    Low: 26 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 51.

    High: 51 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 31.

    Low: 31 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 64.

    High: 64 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 41.

    Low: 41 °F

    Mostly Clear

Detailed Forecast

Tonight
A chance of showers and thunderstorms before 3am, then showers likely and possibly a thunderstorm between 3am and 4am, then a chance of showers and thunderstorms after 4am. Patchy fog between 11pm and midnight. Otherwise, mostly cloudy, with a low around 61. East southeast wind 5 to 11 mph becoming south after midnight. Winds could gust as high as 26 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday
Showers and thunderstorms before noon, then showers likely and possibly a thunderstorm between noon and 2pm, then a chance of showers after 2pm. Temperature falling to around 50 by 5pm. Breezy, with a south wind 17 to 23 mph, with gusts as high as 39 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
Monday Night
Mostly clear, with a low around 28. West wind 10 to 18 mph, with gusts as high as 34 mph.
Tuesday
Sunny, with a high near 49. West wind 8 to 14 mph, with gusts as high as 22 mph.
Tuesday Night
Mostly clear, with a low around 26. West northwest wind around 6 mph becoming light and variable after midnight.
Wednesday
Mostly sunny, with a high near 51.
Wednesday Night
Mostly clear, with a low around 31.
Thursday
Sunny, with a high near 64.
Thursday Night
Mostly clear, with a low around 41.
Friday
Sunny, with a high near 72.
Friday Night
Partly cloudy, with a low around 48.
Saturday
Mostly sunny, with a high near 78.
Saturday Night
Mostly clear, with a low around 52.
Sunday
Sunny, with a high near 79.
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ABOUT THIS FORECAST

 
Point Forecast:
Simpsonville SC
 34.73°N 82.25°W (Elev. 810 ft)
6:09 pm EDT Mar 15, 2026
7pm EDT Mar 15, 2026-6pm EDT Mar 22, 2026
 
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