Duncan, OK Weather Forecast and Current Conditions (73533)
Feels Like 66°F
Current Weather
Feels Like 66°F
Forecast at a Glance
This Date in Weather History
1983 - Forty-one cities reported record cold temperatures during the morning. Houston, TX, hit 50 degrees, and Williston ND plunged to 19 degrees.
More on this and other weather history
Duncan 7 Day Weather Forecast Details
Monday Sep 22
Day: Sunny, with a high near 91. Heat index values as high as 98. South wind 7 to 10 mph.
Night: A slight chance of rain showers between 1am and 4am, then a slight chance of showers and thunderstorms. Mostly clear, with a low around 74. Heat index values as high as 97. South southeast wind around 10 mph. Chance of precipitation is 20%.
Tuesday Sep 23
Day: A chance of showers and thunderstorms. Mostly sunny, with a high near 92. South southwest wind around 13 mph, with gusts as high as 20 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
Night: A chance of showers and thunderstorms before 10pm, then a chance of showers and thunderstorms. Partly cloudy, with a low around 65. North northwest wind 7 to 10 mph. Chance of precipitation is 40%.
Wednesday Sep 24
Day: A chance of rain showers before 1pm. Mostly sunny, with a high near 79. North northwest wind around 12 mph. Chance of precipitation is 30%.
Night: Mostly clear, with a low around 59.
Thursday Sep 25
Day: Sunny, with a high near 84.
Night: Mostly clear, with a low around 58.
Friday Sep 26
Day: Sunny, with a high near 86.
Night: Mostly clear, with a low around 62.
Saturday Sep 27
Day: Mostly sunny, with a high near 87.
Night: Partly cloudy, with a low around 62.
Sunday Sep 28
Day: Mostly sunny, with a high near 86.
Night: Partly cloudy, with a low around 61.
Sun & Moon Monthly
Sunrise 7:21 AM
Sunset 7:30 PM
Last Light 7:55 PM
Moonset 7:54 PM
Contiguous United States Extremes
Sun's High Temperature
105 at Rio Grande Village, TX
Sun's Low Temperature
22 at East Haven, VT
Weather Folklore
Birds flying low, Expect rain and a blow.
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About Duncan, Oklahoma
Duncan is a city in and the county seat of Stephens County, Oklahoma, United States. Its population was 22,310 at the 2020 census. Centrally located in Stephens County, Duncan became the county seat after Oklahoma achieved statehood in 1907. Oil wells opened in Stephens County in 1918 and led to rapid development. Cotton was a dominant crop until the Dust Bowl brought its decline, but cattle remain an important part of the economy. The Chisholm Trail passed to the east of Duncan prior to the town's founding, which is home to the Chisholm Trail Heritage Center.
Duncan is the birthplace of the Halliburton Corporation. Erle P. Halliburton established the New Method Oil Well Cementing Company in 1919. Halliburton maintains seven different complexes in Duncan plus an employee recreational park, but the corporate offices relocated first to Dallas and later to Houston.
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