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.

Rain Fog/Mist

74°F

23°C

Humidity 94%
Wind Speed W 9 mph
Barometer 29.88 in (1010.7 mb)
Dewpoint 72°F (22°C)
Visibility 6.00 mi
Last update 14 Jun 9:53 pm EDT
Extended Forecast for

Slater-Marietta SC

  • Tonight

    Tonight: A 20 percent chance of showers and thunderstorms before 11pm. Partly cloudy, with a low around 68. West southwest wind around 6 mph becoming calm after midnight.

    Low: 68 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 87. Calm wind becoming west around 5 mph in the afternoon.

    High: 87 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 63. North wind around 5 mph becoming calm in the evening.

    Low: 63 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 83. Calm wind becoming south southwest 5 to 7 mph in the afternoon.

    High: 83 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 62. West southwest wind 5 to 7 mph becoming calm in the evening.

    Low: 62 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 87.

    High: 87 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 69.

    Low: 69 °F

    Partly Cloudy

  • Thursday

    Thursday: A 40 percent chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 89.

    High: 89 °F

    Partly Sunny
    then Chance
    T-storms

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 71. Chance of precipitation is 50%.

    Low: 71 °F

    Chance
    T-storms

Detailed Forecast

Tonight
A 20 percent chance of showers and thunderstorms before 11pm. Partly cloudy, with a low around 68. West southwest wind around 6 mph becoming calm after midnight.
Monday
Mostly sunny, with a high near 87. Calm wind becoming west around 5 mph in the afternoon.
Monday Night
Mostly cloudy, with a low around 63. North wind around 5 mph becoming calm in the evening.
Tuesday
Mostly sunny, with a high near 83. Calm wind becoming south southwest 5 to 7 mph in the afternoon.
Tuesday Night
Mostly cloudy, with a low around 62. West southwest wind 5 to 7 mph becoming calm in the evening.
Wednesday
Mostly sunny, with a high near 87.
Wednesday Night
Partly cloudy, with a low around 69.
Thursday
A 40 percent chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 89.
Thursday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 71. Chance of precipitation is 50%.
Juneteenth
A chance of showers, then showers and thunderstorms likely after 2pm. Mostly cloudy, with a high near 84. Chance of precipitation is 70%.
Friday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 64. Chance of precipitation is 60%.
Saturday
Mostly sunny, with a high near 84.
Saturday Night
Partly cloudy, with a low around 63.
Sunday
Sunny, with a high near 86.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Slater-Marietta SC
 35.05°N 82.52°W (Elev. 1099 ft)
Last Update:
6:44 pm EDT Jun 14, 2026
Forecast Valid:
10pm EDT Jun 14, 2026-6pm EDT Jun 21, 2026
 
Forecast Discussion
 
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Additional Resources

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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