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.

Fair

24°C

76°F

Humidity 79%
Wind Speed Calm
Barometer 1017.4 mb (30.09 in)
Dewpoint 21°C (69°F)
Visibility 16 km
Heat Index25°C (77°F)
Last update 13 Jul 12:53 am EDT
Extended Forecast for

3 Miles NNW Glassy Mountain SC

  • Overnight

    Overnight: Mostly clear, with a low around 21. Northwest wind 8 to 10 km/h.

    Low: 21 °C

    Mostly Clear

  • Sunday

    Sunday: A 30 percent chance of showers and thunderstorms after 2pm. Increasing clouds, with a high near 28. North northwest wind 8 to 13 km/h becoming light west northwest. New rainfall amounts of less than 1 mm, except higher amounts possible in thunderstorms.

    High: 28 °C

    Sunny then
    Chance
    T-storms

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms before 8pm, then a slight chance of showers between 8pm and 9pm. Mostly cloudy, then gradually becoming clear, with a low around 21. North northwest wind 8 to 11 km/h. Chance of precipitation is 30%. New precipitation amounts of less than 1 mm, except higher amounts possible in thunderstorms.

    Low: 21 °C

    Chance
    Showers then
    Mostly Clear

  • Monday

    Monday: A 30 percent chance of showers and thunderstorms, mainly after 3pm. Increasing clouds, with a high near 29. North wind 6 to 11 km/h becoming light north northwest in the afternoon. New rainfall amounts of less than 1 mm, except higher amounts possible in thunderstorms.

    High: 29 °C

    Sunny then
    Chance
    T-storms

  • Monday Night

    Monday Night: A chance of showers and thunderstorms before 2am, then a slight chance of showers between 2am and 5am. Mostly cloudy, with a low around 21. North wind 5 to 10 km/h. Chance of precipitation is 50%.

    Low: 21 °C

    Chance
    T-storms

  • Tuesday

    Tuesday: Showers and thunderstorms, mainly after 3pm. High near 27. Chance of precipitation is 80%.

    High: 27 °C

    Chance
    T-storms then
    T-storms

  • Tuesday Night

    Tuesday Night: Showers and thunderstorms before 11pm, then a chance of showers between 11pm and 3am. Some of the storms could produce heavy rainfall. Low around 21. Chance of precipitation is 80%.

    Low: 21 °C

    Heavy Rain
    then Chance
    Showers

  • Wednesday

    Wednesday: Showers and thunderstorms likely, then showers and possibly a thunderstorm after 5pm. High near 26. Chance of precipitation is 80%.

    High: 26 °C

    Chance
    T-storms then
    T-storms

  • Wednesday Night

    Wednesday Night: Showers and thunderstorms likely, mainly before 8pm. Mostly cloudy, with a low around 21. Chance of precipitation is 60%.

    Low: 21 °C

    T-storms
    Likely then
    Mostly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a low around 21. Northwest wind 8 to 10 km/h.
Sunday
A 30 percent chance of showers and thunderstorms after 2pm. Increasing clouds, with a high near 28. North northwest wind 8 to 13 km/h becoming light west northwest. New rainfall amounts of less than 1 mm, except higher amounts possible in thunderstorms.
Sunday Night
A chance of showers and thunderstorms before 8pm, then a slight chance of showers between 8pm and 9pm. Mostly cloudy, then gradually becoming clear, with a low around 21. North northwest wind 8 to 11 km/h. Chance of precipitation is 30%. New precipitation amounts of less than 1 mm, except higher amounts possible in thunderstorms.
Monday
A 30 percent chance of showers and thunderstorms, mainly after 3pm. Increasing clouds, with a high near 29. North wind 6 to 11 km/h becoming light north northwest in the afternoon. New rainfall amounts of less than 1 mm, except higher amounts possible in thunderstorms.
Monday Night
A chance of showers and thunderstorms before 2am, then a slight chance of showers between 2am and 5am. Mostly cloudy, with a low around 21. North wind 5 to 10 km/h. Chance of precipitation is 50%.
Tuesday
Showers and thunderstorms, mainly after 3pm. High near 27. Chance of precipitation is 80%.
Tuesday Night
Showers and thunderstorms before 11pm, then a chance of showers between 11pm and 3am. Some of the storms could produce heavy rainfall. Low around 21. Chance of precipitation is 80%.
Wednesday
Showers and thunderstorms likely, then showers and possibly a thunderstorm after 5pm. High near 26. Chance of precipitation is 80%.
Wednesday Night
Showers and thunderstorms likely, mainly before 8pm. Mostly cloudy, with a low around 21. Chance of precipitation is 60%.
Thursday
A chance of showers, then showers and thunderstorms likely after 2pm. Partly sunny, with a high near 26. Chance of precipitation is 60%.
Thursday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 21.
Friday
Showers and thunderstorms likely. Partly sunny, with a high near 27. Chance of precipitation is 60%.
Friday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 21.
Saturday
Showers and thunderstorms likely. Mostly sunny, with a high near 28. Chance of precipitation is 60%.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NNW Glassy Mountain SC
 35.15°N 82.34°W (Elev. 2589 m)
Last Update:
1:13 am EDT Jul 13, 2025
Forecast Valid:
1am EDT Jul 13, 2025-6pm EDT Jul 19, 2025
 
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