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

70°F

21°C

Humidity 73%
Wind Speed SW 7 mph
Barometer 30.22 in (1022.0 mb)
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Last update 18 May 2:53 am EDT
Extended Forecast for

2 Miles WNW Duncan SC

  • Overnight

    Overnight: Partly cloudy, with a low around 64. Calm wind.

    Low: 64 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 89. Calm wind becoming south 5 to 7 mph in the afternoon.

    High: 89 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 64. South wind around 5 mph becoming calm in the evening.

    Low: 64 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 89. Calm wind becoming south 5 to 7 mph in the afternoon.

    High: 89 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 65. South southwest wind around 5 mph becoming calm in the evening.

    Low: 65 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 91.

    High: 91 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 66.

    Low: 66 °F

    Partly Cloudy

  • Thursday

    Thursday: A 50 percent chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 87.

    High: 87 °F

    Mostly Sunny
    then Chance
    T-storms

  • Thursday Night

    Thursday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 61. Chance of precipitation is 70%.

    Low: 61 °F

    Showers
    Likely

Detailed Forecast

Overnight
Partly cloudy, with a low around 64. Calm wind.
Monday
Sunny, with a high near 89. Calm wind becoming south 5 to 7 mph in the afternoon.
Monday Night
Clear, with a low around 64. South wind around 5 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 89. Calm wind becoming south 5 to 7 mph in the afternoon.
Tuesday Night
Partly cloudy, with a low around 65. South southwest wind around 5 mph becoming calm in the evening.
Wednesday
Mostly sunny, with a high near 91.
Wednesday Night
Partly cloudy, with a low around 66.
Thursday
A 50 percent chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 87.
Thursday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 61. Chance of precipitation is 70%.
Friday
Showers likely, mainly after 2pm. Mostly cloudy, with a high near 77. Chance of precipitation is 60%.
Friday Night
Showers likely. Mostly cloudy, with a low around 61. Chance of precipitation is 70%.
Saturday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 81. Chance of precipitation is 60%.
Saturday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 64. Chance of precipitation is 70%.
Sunday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 83. Chance of precipitation is 60%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles WNW Duncan SC
 34.95°N 82.17°W (Elev. 866 ft)
Last Update:
2:24 am EDT May 18, 2026
Forecast Valid:
3am EDT May 18, 2026-6pm EDT May 24, 2026
 
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