National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Greenville Spartanburg International Airport (KGSP)

Lat: 34.91°NLon: 82.21°WElev: 955ft.

Overcast

50°F

10°C

Humidity 93%
Wind Speed NE 5 mph
Barometer 30.07 in (1018.3 mb)
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Wind Chill48°F (9°C)
Last update 27 Feb 10:53 pm EST
Extended Forecast for

Glassy Mountain SC

  • Tonight

    Tonight: Areas of fog after midnight. Otherwise, mostly cloudy, with a low around 46. Northeast wind around 5 mph becoming calm after midnight.

    Low: 46 °F

    Areas Fog

  • Saturday

    Saturday: Patchy fog before 9am. Otherwise, partly sunny, then gradually becoming sunny, with a high near 68. Light and variable wind.

    High: 68 °F

    Patchy Fog
    then Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 47. Calm wind becoming west around 5 mph after midnight.

    Low: 47 °F

    Clear

  • Sunday

    Sunday: Increasing clouds, with a high near 73. West wind 5 to 8 mph.

    High: 73 °F

    Increasing
    Clouds

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 44. Northeast wind 7 to 13 mph, with gusts as high as 22 mph.

    Low: 44 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly cloudy, with a high near 49.

    High: 49 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 38.

    Low: 38 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 50.

    High: 50 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 46.

    Low: 46 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Areas of fog after midnight. Otherwise, mostly cloudy, with a low around 46. Northeast wind around 5 mph becoming calm after midnight.
Saturday
Patchy fog before 9am. Otherwise, partly sunny, then gradually becoming sunny, with a high near 68. Light and variable wind.
Saturday Night
Clear, with a low around 47. Calm wind becoming west around 5 mph after midnight.
Sunday
Increasing clouds, with a high near 73. West wind 5 to 8 mph.
Sunday Night
Mostly cloudy, with a low around 44. Northeast wind 7 to 13 mph, with gusts as high as 22 mph.
Monday
Mostly cloudy, with a high near 49.
Monday Night
Mostly cloudy, with a low around 38.
Tuesday
Mostly cloudy, with a high near 50.
Tuesday Night
Mostly cloudy, with a low around 46.
Wednesday
Mostly cloudy, with a high near 69.
Wednesday Night
Mostly cloudy, with a low around 54.
Thursday
A 30 percent chance of rain. Mostly sunny, with a high near 71.
Thursday Night
Partly cloudy, with a low around 57.
Friday
A 40 percent chance of rain. Partly sunny, with a high near 75.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Glassy Mountain SC
 35.12°N 82.32°W (Elev. 1299 ft)
Last Update:
6:08 pm EST Feb 27, 2026
Forecast Valid:
11pm EST Feb 27, 2026-6pm EST Mar 6, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation