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National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
7-Day Forecast 34.5°N 97.96°W (Text-Only)
NWS Forecast for: Duncan OK
Issued by: National Weather Service Norman, OK
Last Update: 11:32 pm CST Dec 4, 2025		Print

  • Overnight

    Overnight: Partly cloudy, with a low around 27. Calm wind becoming south around 5 mph.

    Low: 27 °F

    Partly Cloudy


  • Friday

    Friday: Partly sunny, then gradually becoming sunny, with a high near 55. South wind 5 to 10 mph.

    High: 55 °F

    Becoming
    Sunny

  • Friday
    Night

    Friday Night: Areas of fog after midnight. Otherwise, mostly clear, with a low around 32. South southeast wind around 5 mph becoming calm in the evening.

    Low: 32 °F

    Mostly Clear
    then Areas
    Fog

  • Saturday

    Saturday: Areas of dense fog before 9am. Otherwise, mostly sunny, with a high near 55. Light and variable wind becoming south 5 to 8 mph in the afternoon.

    High: 55 °F

    Areas Dense
    Fog then
    Sunny

  • Saturday
    Night

    Saturday Night: Mostly clear, with a low around 36. Light and variable wind becoming north 5 to 9 mph after midnight.

    Low: 36 °F

    Mostly Clear


  • Sunday

    Sunday: Sunny, with a high near 51.

    High: 51 °F

    Sunny


  • Sunday
    Night

    Sunday Night: Clear, with a low around 23.

    Low: 23 °F

    Clear


  • Monday

    Monday: Sunny, with a high near 51.

    High: 51 °F

    Sunny


  • Monday
    Night

    Monday Night: Mostly clear, with a low around 30.

    Low: 30 °F

    Mostly Clear


    • Overnight: Partly cloudy, with a low around 27. Calm wind becoming south around 5 mph.

    Friday: Partly sunny, then gradually becoming sunny, with a high near 55. South wind 5 to 10 mph.

    Friday Night: Areas of fog after midnight. Otherwise, mostly clear, with a low around 32. South southeast wind around 5 mph becoming calm in the evening.

    Saturday: Areas of dense fog before 9am. Otherwise, mostly sunny, with a high near 55. Light and variable wind becoming south 5 to 8 mph in the afternoon.

    Saturday Night: Mostly clear, with a low around 36. Light and variable wind becoming north 5 to 9 mph after midnight.

    Sunday: Sunny, with a high near 51.

    Sunday Night: Clear, with a low around 23.

    Monday: Sunny, with a high near 51.

    Monday Night: Mostly clear, with a low around 30.

    Tuesday: Sunny, with a high near 62.

    Tuesday Night: Mostly clear, with a low around 41.

    Wednesday: Sunny, with a high near 62.

    Wednesday Night: Mostly clear, with a low around 33.

    Thursday: Sunny, with a high near 61.


    Duncan OK
     34.5°N 97.96°W

    Visit your local NWS office at: https://www.weather.gov/oun