Duncan, OK Weather Forecast and Current Conditions (73533)
Feels Like 70°F
Current Weather
Feels Like 70°F
Forecast at a Glance
This Date in Weather History
1967 - Hurricane Beulah deluged Brownsville, TX, with 12.19 inches of rain in 24 hours, to establish a record for that location. Hurricane Beulah made landfall on the 20th near the mouth of the Rio Grande River, where a wind gust to 135 mph was reported by a ship in the port.
More on this and other weather history
Duncan 7 Day Weather Forecast Details
Friday Sep 19
Day: A chance of showers and thunderstorms before 10am. Sunny, with a high near 90. Southeast wind around 6 mph. Chance of precipitation is 30%.
Night: Partly cloudy, with a low around 69. South southeast wind around 6 mph.
Saturday Sep 20
Day: A slight chance of rain showers between 1pm and 4pm, then a slight chance of showers and thunderstorms. Partly sunny, with a high near 92. South southwest wind 6 to 10 mph. Chance of precipitation is 20%.
Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 68. Southeast wind around 8 mph. Chance of precipitation is 40%.
Sunday Sep 21
Day: A chance of showers and thunderstorms before 7am, then a chance of showers and thunderstorms between 7am and 4pm, then a chance of showers and thunderstorms. Mostly sunny, with a high near 91. South wind 7 to 12 mph. Chance of precipitation is 50%.
Night: A chance of showers and thunderstorms before 10pm, then a chance of showers and thunderstorms between 10pm and 1am, then a slight chance of showers and thunderstorms. Mostly clear, with a low around 69. Chance of precipitation is 30%.
Monday Sep 22
Day: A slight chance of showers and thunderstorms before 1pm. Sunny, with a high near 92. Chance of precipitation is 20%.
Night: A chance of showers and thunderstorms after 7pm. Partly cloudy, with a low around 71. Chance of precipitation is 30%.
Tuesday Sep 23
Day: A chance of showers and thunderstorms before 1pm, then a chance of showers and thunderstorms. Mostly sunny, with a high near 90. Chance of precipitation is 30%.
Night: A chance of showers and thunderstorms. Partly cloudy, with a low around 66. Chance of precipitation is 30%.
Wednesday Sep 24
Day: A slight chance of rain showers. Mostly sunny, with a high near 85. Chance of precipitation is 20%.
Night: A slight chance of rain showers. Partly cloudy, with a low around 64. Chance of precipitation is 20%.
Thursday Sep 25
Day: A slight chance of rain showers before 1pm. Mostly sunny, with a high near 83. Chance of precipitation is 20%.
Night: Partly cloudy, with a low around 62.
Sun & Moon Monthly
Sunrise 7:19 AM
Sunset 7:34 PM
Last Light 7:59 PM
Moonset 6:41 PM
Contiguous United States Extremes
Thu's High Temperature
102 at 4 Miles South-southwest Of Redding, CA
Fri's Low Temperature
24 at 16 Miles West Of Redfeather Lakes, CO
Weather Folklore
The daisy shuts its eye before rain.
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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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