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.

Fair

69°F

21°C

Humidity 41%
Wind Speed SW 3 mph
Barometer 30.10 in (1018.6 mb)
Dewpoint 44°F (7°C)
Visibility 10.00 mi
Last update 15 May 8:53 pm EDT
Extended Forecast for

Slater-Marietta SC

  • Tonight

    Tonight: Mostly clear, with a low around 52. Light southwest wind.

    Low: 52 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 83. Calm wind becoming southwest 5 to 9 mph in the morning.

    High: 83 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 61. South southwest wind around 5 mph becoming calm in the evening.

    Low: 61 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly cloudy, then gradually becoming sunny, with a high near 87. Calm wind becoming south southwest around 6 mph in the afternoon.

    High: 87 °F

    Decreasing
    Clouds

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 62. Light and variable wind.

    Low: 62 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 87.

    High: 87 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 62.

    Low: 62 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 86.

    High: 86 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 64.

    Low: 64 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 52. Light southwest wind.
Saturday
Mostly sunny, with a high near 83. Calm wind becoming southwest 5 to 9 mph in the morning.
Saturday Night
Mostly cloudy, with a low around 61. South southwest wind around 5 mph becoming calm in the evening.
Sunday
Mostly cloudy, then gradually becoming sunny, with a high near 87. Calm wind becoming south southwest around 6 mph in the afternoon.
Sunday Night
Mostly clear, with a low around 62. Light and variable wind.
Monday
Sunny, with a high near 87.
Monday Night
Mostly clear, with a low around 62.
Tuesday
Sunny, with a high near 86.
Tuesday Night
Partly cloudy, with a low around 64.
Wednesday
A 40 percent chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 86.
Wednesday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 64.
Thursday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 81. Chance of precipitation is 60%.
Thursday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 61. Chance of precipitation is 60%.
Friday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 80.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Slater-Marietta SC
 35.02°N 82.49°W (Elev. 988 ft)
Last Update:
7:18 pm EDT May 15, 2026
Forecast Valid:
9pm EDT May 15, 2026-6pm EDT May 22, 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