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.

Light Rain Fog/Mist

66°F

19°C

Humidity 96%
Wind Speed N 9 mph
Barometer 30.11 in (1018.9 mb)
Dewpoint 65°F (18°C)
Visibility 1.25 mi
Last update 29 Sep 7:53 pm EDT
Extended Forecast for

Duncan SCSimilar City Names

  • Tonight

    Tonight: A 50 percent chance of showers. Cloudy, with a low around 64. North northeast wind around 10 mph, with gusts as high as 22 mph. New precipitation amounts of less than a tenth of an inch possible.

    Low: 64 °F

    Chance
    Showers

  • Tuesday

    Tuesday: A 30 percent chance of showers, mainly between 3pm and 4pm. Mostly cloudy, with a high near 75. Northeast wind 10 to 13 mph, with gusts as high as 20 mph. New precipitation amounts of less than a tenth of an inch possible.

    High: 75 °F

    Chance
    Showers

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 60. North northeast wind 6 to 8 mph.

    Low: 60 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 80. Northeast wind 7 to 10 mph.

    High: 80 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 56. Northeast wind around 7 mph.

    Low: 56 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 72.

    High: 72 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 50.

    Low: 50 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 73.

    High: 73 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 52.

    Low: 52 °F

    Partly Cloudy

Detailed Forecast

Tonight
A 50 percent chance of showers. Cloudy, with a low around 64. North northeast wind around 10 mph, with gusts as high as 22 mph. New precipitation amounts of less than a tenth of an inch possible.
Tuesday
A 30 percent chance of showers, mainly between 3pm and 4pm. Mostly cloudy, with a high near 75. Northeast wind 10 to 13 mph, with gusts as high as 20 mph. New precipitation amounts of less than a tenth of an inch possible.
Tuesday Night
Partly cloudy, with a low around 60. North northeast wind 6 to 8 mph.
Wednesday
Sunny, with a high near 80. Northeast wind 7 to 10 mph.
Wednesday Night
Mostly clear, with a low around 56. Northeast wind around 7 mph.
Thursday
Sunny, with a high near 72.
Thursday Night
Mostly clear, with a low around 50.
Friday
Sunny, with a high near 73.
Friday Night
Partly cloudy, with a low around 52.
Saturday
Mostly sunny, with a high near 76.
Saturday Night
Partly cloudy, with a low around 55.
Sunday
Mostly sunny, with a high near 77.
Sunday Night
Partly cloudy, with a low around 59.
Monday
Mostly sunny, with a high near 78.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Duncan SCSimilar City Names
 34.93°N 82.14°W (Elev. 781 ft)
Last Update:
7:23 pm EDT Sep 29, 2025
Forecast Valid:
8pm EDT Sep 29, 2025-6pm EDT Oct 6, 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