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.

Overcast

57°F

14°C

Humidity 55%
Wind Speed Calm
Barometer 30.17 in (1021.3 mb)
Dewpoint 41°F (5°C)
Visibility 10.00 mi
Last update 9 Jan 2:53 am EST
Extended Forecast for

Simpsonville SC

  • Overnight

    Overnight: A 20 percent chance of rain after 4am. Patchy fog after 4am. Otherwise, cloudy, with a low around 53. Light east wind.

    Low: 53 °F

    Slight Chance
    Rain and
    Patchy Fog

  • Friday

    Friday: A chance of rain between 1pm and 4pm, then showers likely after 4pm. Patchy fog before noon. Otherwise, cloudy, with a high near 69. Light south southeast wind becoming southwest 5 to 9 mph in the morning. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 69 °F

    Chance Rain
    and Patchy
    Fog then
    Showers
    Likely

  • Friday Night

    Friday Night: Showers. Patchy fog after 11pm. Low around 59. Calm wind becoming south around 5 mph after midnight. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 59 °F

    Showers and
    Patchy Fog

  • Saturday

    Saturday: Showers before 7am, then rain likely between 7am and 1pm, then rain and possibly a thunderstorm after 1pm. Patchy fog before 11am. High near 71. South wind 9 to 17 mph, with gusts as high as 31 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    High: 71 °F

    Showers and
    Patchy Fog

  • Saturday Night

    Saturday Night: A 40 percent chance of rain, mainly before 11pm. Mostly cloudy, with a low around 43. Southwest wind around 10 mph, with gusts as high as 21 mph.

    Low: 43 °F

    Chance Rain

  • Sunday

    Sunday: Sunny, with a high near 52.

    High: 52 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 26.

    Low: 26 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 48.

    High: 48 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 27.

    Low: 27 °F

    Mostly Clear

Detailed Forecast

Overnight
A 20 percent chance of rain after 4am. Patchy fog after 4am. Otherwise, cloudy, with a low around 53. Light east wind.
Friday
A chance of rain between 1pm and 4pm, then showers likely after 4pm. Patchy fog before noon. Otherwise, cloudy, with a high near 69. Light south southeast wind becoming southwest 5 to 9 mph in the morning. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Friday Night
Showers. Patchy fog after 11pm. Low around 59. Calm wind becoming south around 5 mph after midnight. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Saturday
Showers before 7am, then rain likely between 7am and 1pm, then rain and possibly a thunderstorm after 1pm. Patchy fog before 11am. High near 71. South wind 9 to 17 mph, with gusts as high as 31 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Saturday Night
A 40 percent chance of rain, mainly before 11pm. Mostly cloudy, with a low around 43. Southwest wind around 10 mph, with gusts as high as 21 mph.
Sunday
Sunny, with a high near 52.
Sunday Night
Clear, with a low around 26.
Monday
Sunny, with a high near 48.
Monday Night
Mostly clear, with a low around 27.
Tuesday
Sunny, with a high near 54.
Tuesday Night
Partly cloudy, with a low around 34.
Wednesday
Partly sunny, with a high near 54.
Wednesday Night
A 30 percent chance of rain. Mostly cloudy, with a low around 36.
Thursday
Mostly sunny, with a high near 49.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Simpsonville SC
 34.73°N 82.25°W (Elev. 810 ft)
Last Update:
12:19 am EST Jan 9, 2026
Forecast Valid:
3am EST Jan 9, 2026-6pm EST Jan 15, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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