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.

A Few Clouds

66°F

19°C

Humidity 45%
Wind Speed S 6 mph
Barometer 30.07 in (1017.5 mb)
Dewpoint 44°F (7°C)
Visibility 10.00 mi
Last update 8 May 11:53 am EDT
Extended Forecast for

Duncan SCSimilar City Names

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 71. Calm wind becoming south southwest around 5 mph.

    High: 71 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming mostly clear, with a low around 52. South wind around 5 mph becoming calm in the evening.

    Low: 52 °F

    Decreasing
    Clouds

  • Saturday

    Saturday: A slight chance of showers between 10am and 11am. Mostly sunny, with a high near 77. Light southwest wind increasing to 6 to 11 mph in the morning. Winds could gust as high as 20 mph. Chance of precipitation is 20%.

    High: 77 °F

    Slight Chance
    Showers then
    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 56. Southwest wind 5 to 7 mph becoming calm in the evening.

    Low: 56 °F

    Partly Cloudy

  • Sunday

    Sunday: A 20 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 81. Calm wind becoming south around 5 mph in the afternoon.

    High: 81 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 59. Chance of precipitation is 30%.

    Low: 59 °F

    Chance
    T-storms then
    Chance
    Showers

  • Monday

    Monday: A chance of showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 77. Chance of precipitation is 50%.

    High: 77 °F

    Chance
    Showers then
    Chance
    T-storms

  • Monday Night

    Monday Night: A chance of thunderstorms before 8pm. Partly cloudy, with a low around 48. Chance of precipitation is 30%.

    Low: 48 °F

    Chance
    T-storms then
    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 72.

    High: 72 °F

    Sunny

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 71. Calm wind becoming south southwest around 5 mph.
Tonight
Mostly cloudy, then gradually becoming mostly clear, with a low around 52. South wind around 5 mph becoming calm in the evening.
Saturday
A slight chance of showers between 10am and 11am. Mostly sunny, with a high near 77. Light southwest wind increasing to 6 to 11 mph in the morning. Winds could gust as high as 20 mph. Chance of precipitation is 20%.
Saturday Night
Partly cloudy, with a low around 56. Southwest wind 5 to 7 mph becoming calm in the evening.
Sunday
A 20 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 81. Calm wind becoming south around 5 mph in the afternoon.
Sunday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 59. Chance of precipitation is 30%.
Monday
A chance of showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 77. Chance of precipitation is 50%.
Monday Night
A chance of thunderstorms before 8pm. Partly cloudy, with a low around 48. Chance of precipitation is 30%.
Tuesday
Sunny, with a high near 72.
Tuesday Night
Clear, with a low around 51.
Wednesday
Sunny, with a high near 77.
Wednesday Night
Mostly clear, with a low around 53.
Thursday
Sunny, with a high near 78.
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ABOUT THIS FORECAST

 
Point Forecast:
Duncan SCSimilar City Names
 34.93°N 82.14°W (Elev. 781 ft)
Last Update:
6:09 am EDT May 8, 2026
Forecast Valid:
12pm EDT May 8, 2026-6pm EDT May 14, 2026
 
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