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Duncan, SC Weather

It is 81°F and clear in Duncan, SC, observed at 4 PM EDT. Today: Sunny, high 80°F, low 54°F. Hourly and 10-day forecast from the National Weather Service. Times are local (EDT).

Duncan, SC current weather

81°F

Clear

H 80° / L 54°Feels like 80°

Observed at Greenville Spartanburg International Airport (4.3 mi away), 10/30/2026, 4:00 PM EDT

Hourly forecast

NWS, updated 10/30/2026, 11:23 AM PT

  1. Now79°
  2. 5 PM79°
  3. 6 PM76°
  4. 7 PM72°
  5. 8 PM64°
  6. 9 PM61°
  7. 10 PM59°
  8. 11 PM58°
  9. 12 AM58°Sat
  10. 1 AM57°
  11. 2 AM57°
  12. 3 AM56°
  13. 4 AM56°
  14. 5 AM56°
  15. 6 AM55°
  16. 7 AM54°
  17. 8 AM54°
  18. 9 AM55°
  19. 10 AM60°
  20. 11 AM63°
  21. 12 PM65°
  22. 1 PM66°
  23. 2 PM67°
  24. 3 PM67°
  25. 4 PM68°
  26. 5 PM67°
  27. 6 PM66°
  28. 7 PM63°
  29. 8 PM58°
  30. 9 PM56°
  31. 10 PM56°
  32. 11 PM55°
  33. 12 AM54°Sun
  34. 1 AM54°
  35. 1 AM53°
  36. 2 AM53°
  37. 3 AM53°
  38. 4 AM52°
  39. 5 AM52°
  40. 6 AM51°
  41. 7 AM51°
  42. 8 AM53°
  43. 9 AM56°
  44. 10 AM60°
  45. 11 AM62°
  46. 12 PM64°
  47. 1 PM64°
  48. 2 PM65°

10-day forecast

Tap a day for details

  • Today10/30Low 54°High 80°

    This Afternoon: Sunny, with a high near 80. East northeast wind around 2 mph.

    Tonight: Partly cloudy, with a low around 54. North northeast wind 1 to 10 mph, with gusts as high as 20 mph.

    Sunny
  • Sat10/31Low 51°High 68°

    Saturday: Partly sunny, with a high near 68. Northeast wind 9 to 14 mph, with gusts as high as 21 mph.

    Saturday Night: Cloudy, with a low around 51. Northeast wind around 8 mph.

    Partly Sunny
  • Sun11/1Low 49°High 66°

    Sunday: Cloudy, with a high near 66. Northeast wind 7 to 10 mph.

    Sunday Night: Mostly cloudy, with a low around 49.

    Cloudy
  • Mon11/210% chance of precipitationLow 50°High 66°

    Monday: Mostly cloudy, with a high near 66.

    Monday Night: Mostly cloudy, with a low around 50.

    Mostly Cloudy
  • Tue11/314% chance of precipitationLow 55°High 71°

    Tuesday: Partly sunny, with a high near 71.

    Tuesday Night: Mostly cloudy, with a low around 55.

    Partly Sunny
  • Wed11/461% chance of precipitationLow 57°High 71°

    Wednesday: A chance of rain showers after 7am. Mostly cloudy, with a high near 71. Chance of precipitation is 50%.

    Wednesday Night: A chance of rain showers before 1am, then showers and thunderstorms likely. Mostly cloudy, with a low around 57. Chance of precipitation is 60%.

    Chance Rain Showers
  • Thu11/561% chance of precipitationLow 53°High 73°

    Thursday: Showers and thunderstorms likely. Mostly cloudy, with a high near 73. Chance of precipitation is 60%.

    Thursday Night: A chance of rain showers. Partly cloudy, with a low around 53.

    Showers And Thunderstorms Likely
  • Fri11/6Model blend12% chance of precipitationLow 49°High 72°

    Friday: Mostly sunny. High near 72°. Low that night near 49°.

    Computer model guidance from the NOAA National Blend of Models, not a forecast written by NWS forecasters. Expect changes this far out.

  • Sat11/7Model blendLow 45°High 71°

    Saturday: Mostly sunny. High near 71°. Low that night near 45°. About 0.01 in of precipitation.

    Computer model guidance from the NOAA National Blend of Models, not a forecast written by NWS forecasters. Expect changes this far out.

  • Sun11/8Model blendLow 44°High 69°

    Sunday: Mostly sunny. High near 69°. Low that night near 44°.

    Computer model guidance from the NOAA National Blend of Models, not a forecast written by NWS forecasters. Expect changes this far out.

Forecast for 34.932, -82.143 from the NWS GSP office, updated 10/30/2026, 11:23 AM PT · Official forecast on weather.gov

Days 8 to 10: NOAA National Blend of Models, station KGSP (Greenville-Spartanburg Intl, 6 mi), model run 10/30/2026, 10:00 AM EDT

From the National Weather Service; may be delayed. Not for life-safety decisions. In an emergency, call 911.

Next 6 hours

NWS hourly forecast

  1. Now79°Sunny0%2 mph
  2. 5 PM79°Sunny0%2 mph
  3. 6 PM76°Mostly Clear0%2 mph
  4. 7 PM72°Mostly Clear0%1 mph
  5. 8 PM64°Partly Cloudy0%1 mph
  6. 9 PM61°Partly Cloudy0%1 mph

Hourly details

Next 7 days: temperature chart, feels like, rain and snow amounts, sky cover, wind and gustsShow

Radar and satellite

National radar

NEXRAD (up to 24 hours) and GOES

Latest

Frequently asked questions

What is the weather in Duncan, SC right now?
The latest observation from Greenville Spartanburg International Airport was 81°F and clear, reported at 10/30/2026, 4:00 PM EDT.
What is the high temperature today in Duncan, SC?
The National Weather Service forecast for this afternoon calls for a high near 80°F. Sunny.
Will it rain in Duncan, SC in the next 24 hours?
The NWS hourly forecast does not show any hour with a 50% or higher chance of precipitation in the next 24 hours.
What is the 10-day forecast for Duncan, SC?
The first 7 days come from the National Weather Service forecast. Days 8 to 10 (Nov 6 to Nov 8) come from the NOAA National Blend of Models, with highs of 69°F to 72°F. Model guidance this far out often changes.
What time is sunrise and sunset in Duncan, SC today?
Sunrise is about 7:47 AM EDT and sunset is about 6:36 PM EDT (calculated for the center of the area, within a few minutes).
What is the normal October weather in Duncan, SC?
At Greer, the 1991 to 2020 normal high in October is 73°F and the normal low is 50°F.

Nearby hazards

South Carolina hazards

Severe storm and flash flood outlooks, expected rain, river flooding and wildfires near this area

  • Severe storm outlook today:No thunderstorm risk area over this locationOutlook map
  • Excessive rainfall outlook (flash flood risk):Could not check the Weather Prediction Center outlook right now.
  • River gauges within 40 miles at or above flood stage: None reported
  • Active wildfires within 50 miles: None reported

UV and air quality forecast

EPA and AirNow

AQI forecast today (Polk County)
58ModeratePM2.5
AQI forecast tomorrow (Polk County)
40GoodOzone

UV index guide · Air quality

Drought

By county

Spartanburg County, week of 10/27/2026

No drought or abnormal dryness in this county.

Sun and moon

Local time, center of the area

Sunrise
7:47 AM
Sunset
6:36 PM
Daylight
10 hr 49 min
Moon
Waning Gibbous 77% lit
First light (civil dawn)
7:21 AM
Last light (civil dusk)
7:02 PM
Moonrise
10:26 PM
Moonset
12:50 PM

Normal October weather

Climate

Normal October high 73°, low 50°, precipitation 3.59 in for the month. 1991 to 2020 normals at Greer, 6 mi away.

Other places nearby

Data sources

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About this data

Weather and emergencies: Weather, air quality and hazard information on this page is delayed and may be incomplete. It is not a substitute for official warnings. Always follow the National Weather Service, local emergency management and public safety officials. In an emergency, call 911. For evacuation orders, use your local official alert system.

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