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.

A Few Clouds

70°F

21°C

Humidity 87%
Wind Speed NE 14 mph
Barometer 30.08 in (1017.3 mb)
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Last update 22 May 2:53 am EDT
Extended Forecast for

Piedmont SC

  • Overnight

    Overnight: A 30 percent chance of showers and thunderstorms, mainly after 5am. Mostly cloudy, with a low around 64. East northeast wind around 7 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 64 °F

    Chance
    Showers

  • Friday

    Friday: Showers and thunderstorms, mainly before 11am, then showers likely and possibly a thunderstorm after 2pm. Patchy fog between 7am and noon. High near 77. East wind around 7 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    High: 77 °F

    Showers and
    Patchy Fog

  • Friday Night

    Friday Night: Showers and possibly a thunderstorm. Patchy fog. Low around 64. East northeast wind around 5 mph. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.

    Low: 64 °F

    Showers and
    Patchy Fog

  • Saturday

    Saturday: Showers and possibly a thunderstorm. Patchy fog before 1pm. High near 77. Light and variable wind becoming south around 6 mph in the morning. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 77 °F

    Showers and
    Patchy Fog

  • Saturday Night

    Saturday Night: Showers and possibly a thunderstorm. Patchy fog before 9pm. Low around 64. South southeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 90%.

    Low: 64 °F

    Showers and
    Patchy Fog

  • Sunday

    Sunday: A chance of showers before 11am, then a chance of showers and thunderstorms between 11am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 81. Chance of precipitation is 70%.

    High: 81 °F

    Showers
    Likely

  • Sunday Night

    Sunday Night: Showers and possibly a thunderstorm before 2am, then showers likely. Low around 66. Chance of precipitation is 90%.

    Low: 66 °F

    Showers

  • Memorial Day

    Memorial Day: Showers likely, then showers and possibly a thunderstorm after 2pm. High near 81. Chance of precipitation is 80%.

    High: 81 °F

    Showers

  • Monday Night

    Monday Night: Showers and possibly a thunderstorm before 2am, then showers likely. Low around 66. Chance of precipitation is 90%.

    Low: 66 °F

    Showers

Detailed Forecast

Overnight
A 30 percent chance of showers and thunderstorms, mainly after 5am. Mostly cloudy, with a low around 64. East northeast wind around 7 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday
Showers and thunderstorms, mainly before 11am, then showers likely and possibly a thunderstorm after 2pm. Patchy fog between 7am and noon. High near 77. East wind around 7 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Friday Night
Showers and possibly a thunderstorm. Patchy fog. Low around 64. East northeast wind around 5 mph. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.
Saturday
Showers and possibly a thunderstorm. Patchy fog before 1pm. High near 77. Light and variable wind becoming south around 6 mph in the morning. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Saturday Night
Showers and possibly a thunderstorm. Patchy fog before 9pm. Low around 64. South southeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 90%.
Sunday
A chance of showers before 11am, then a chance of showers and thunderstorms between 11am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 81. Chance of precipitation is 70%.
Sunday Night
Showers and possibly a thunderstorm before 2am, then showers likely. Low around 66. Chance of precipitation is 90%.
Memorial Day
Showers likely, then showers and possibly a thunderstorm after 2pm. High near 81. Chance of precipitation is 80%.
Monday Night
Showers and possibly a thunderstorm before 2am, then showers likely. Low around 66. Chance of precipitation is 90%.
Tuesday
Showers likely, then showers and possibly a thunderstorm after 2pm. High near 82. Chance of precipitation is 80%.
Tuesday Night
Showers and possibly a thunderstorm. Low around 66. Chance of precipitation is 80%.
Wednesday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 82. Chance of precipitation is 60%.
Wednesday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 65. Chance of precipitation is 60%.
Thursday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 83.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Piedmont SC
 34.71°N 82.47°W (Elev. 846 ft)
Last Update:
2:23 am EDT May 22, 2026
Forecast Valid:
3am EDT May 22, 2026-6pm EDT May 28, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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