What is today's weather forecast for Duncan, SC?

Today's forecast for Duncan shows a high of 72 degrees and a low of 56 degrees Fahrenheit. Mostly sunny, with a high near 72.

What is the 7-day weather forecast for Duncan, SC?

The 7-day forecast for Duncan shows highs from 66 to 79 degrees and lows from 44 to 60 degrees Fahrenheit. Expect precipitation on 3 days with chances of 20% or higher.

Will it rain in Duncan, SC this week?

Yes, rain is possible in Duncan this week. Precipitation chances: Thursday (40% chance), Friday (30% chance), Tuesday (60% chance).

How accurate is the Duncan weather forecast?

WeatherForYou provides highly accurate Duncan forecasts using National Weather Service data and current conditions from the nearest available weather stations, often miles closer than regional airports, for the most precise local forecasts.

Duncan, SC Weather Forecast and Current Conditions

Current Conditions From Nearby Local Station

Switch to Metric Units

62°F
Feels Like 62°F

Humidity 78% Dew Point 55°F Wind N 1 MPH Gusts 1 Barometer 30.17 in.766.3 mm

Solar Rad 285 w/m²

Report from a MADIS/MESONET weather station 1.9 miles NNE of central Duncan
at 11:46 AM Thu, Nov 20, 2025

Point Forecast at a Glance

ThuNov 20

FriNov 21

SatNov 22

SunNov 23

MonNov 24

TueNov 25

40%

WedNov 26

7-Day Temperature Trend

Week Ahead Summary

Variable high temperatures through the week, ranging from 66°F to 79°F. Some rain possible with at least 3 days showing precipitation chances of 20% or higher.

Climate Context

This week's forecast shows temperatures running 9°F above the historical average for November. Normal highs for this period are around 62°F with lows around 37°F.

This Date in Weather History

1979 - A blizzard struck Cheyenne, WY, producing a record 19.8 inches of snow in 24 hours, and a record total of 25.6 inches in forty hours. Strong winds created huge drifts stopping all transportation.

Duncan, SC 7 Day Weather Forecast Details

Thursday Nov 20

Day: Mostly sunny, with a high near 72. Light and variable wind.

Night: A 40 percent chance of showers, mainly between 8pm and 5am. Mostly cloudy, with a low around 56. Calm wind. New precipitation amounts of less than a tenth of an inch possible.

Friday Nov 21

Day: Mostly cloudy, with a high near 76. Light south southwest wind becoming southwest 5 to 10 mph in the morning.

Night: A 30 percent chance of showers, mainly between 8pm and 5am. Mostly cloudy, with a low around 60. Southwest wind 7 to 9 mph.

Saturday Nov 22

Day: Mostly sunny, with a high near 79. Southwest wind around 10 mph.

Night: Mostly clear, with a low around 48.

Sunday Nov 23

Day: Sunny, with a high near 68.

Night: Mostly clear, with a low around 44.

Monday Nov 24

Day: Mostly sunny, with a high near 69.

Night: Mostly cloudy, with a low around 50.

Tuesday Nov 25

Day: A 40 percent chance of showers. Mostly cloudy, with a high near 66.

Night: Showers likely. Mostly cloudy, with a low around 54. Chance of precipitation is 60%.

Wednesday Nov 26

Day: Partly sunny, with a high near 70.

About Duncan, SC

Duncan is a town in Spartanburg County, South Carolina, United States. Its population was 3,181 at the 2010 census.

Content from Wikipedia, licensed under CC BY-SA 3.0.

How We Provide Better Local Weather

Current conditions: We use the nearest available station to your location - including professional MESONET/MADIS and local weather stations - often miles closer than regional airports.

Forecasts: National Weather Service point forecasts predict for your specific area, not broad regional zones, making them far more relevant to your location.

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