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

44°F

7°C

Humidity 60%
Wind Speed NE 8 mph
Barometer 30.41 in (1029.7 mb)
Dewpoint 31°F (-1°C)
Visibility 10.00 mi
Wind Chill39°F (4°C)
Last update 3 Mar 3:53 am EST
Extended Forecast for

Duncan SCSimilar City Names

  • Today

    Today: Mostly cloudy, with a high near 62. Northeast wind around 6 mph becoming calm in the morning.

    High: 62 °F

    Mostly Cloudy

  • Tonight

    Tonight: Patchy fog after 4am. Otherwise, partly cloudy, with a low around 47. Calm wind.

    Low: 47 °F

    Partly Cloudy
    then Patchy
    Fog

  • Wednesday

    Wednesday: Patchy fog before 8am. Otherwise, mostly sunny, with a high near 75. Calm wind becoming southwest 5 to 8 mph in the morning.

    High: 75 °F

    Patchy Fog
    then Mostly
    Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 53. Southwest wind 3 to 5 mph.

    Low: 53 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 78. Light southwest wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 18 mph.

    High: 78 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 58.

    Low: 58 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 81.

    High: 81 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 60.

    Low: 60 °F

    Partly Cloudy

  • Saturday

    Saturday: A 40 percent chance of showers after 1pm. Mostly sunny, with a high near 81.

    High: 81 °F

    Mostly Sunny
    then Chance
    Showers

Detailed Forecast

Today
Mostly cloudy, with a high near 62. Northeast wind around 6 mph becoming calm in the morning.
Tonight
Patchy fog after 4am. Otherwise, partly cloudy, with a low around 47. Calm wind.
Wednesday
Patchy fog before 8am. Otherwise, mostly sunny, with a high near 75. Calm wind becoming southwest 5 to 8 mph in the morning.
Wednesday Night
Mostly cloudy, with a low around 53. Southwest wind 3 to 5 mph.
Thursday
Mostly sunny, with a high near 78. Light southwest wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 18 mph.
Thursday Night
Mostly cloudy, with a low around 58.
Friday
Mostly sunny, with a high near 81.
Friday Night
Partly cloudy, with a low around 60.
Saturday
A 40 percent chance of showers after 1pm. Mostly sunny, with a high near 81.
Saturday Night
A 30 percent chance of showers before 4am. Mostly cloudy, with a low around 61.
Sunday
Showers likely. Partly sunny, with a high near 80. Chance of precipitation is 60%.
Sunday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 60.
Monday
A 50 percent chance of showers. Mostly cloudy, with a high near 79.
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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:
12:19 am EST Mar 3, 2026
Forecast Valid:
4am EST Mar 3, 2026-6pm EDT Mar 9, 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