Duncan Weather Forecast

    • 26
    • 68

    Breezy

    • 20
    • 43

    Partly Sunny

    • 30
    • 53

    Mostly Sunny

    • 34
    • 60

    Mostly Sunny

    • 39
    • 64

    Partly Sunny

    • 35
    • 64

    Partly Sunny

    • 36
    • 61

    Mostly Sunny

Today 28 Dec Stephens

Mostly sunny and Windy, cooler with Highs in the upper 60s. Temperature falling to around 50. North Winds 20 to 30 Mph with Gusts up to 45 Mph.

Tonight 28 Dec Stephens

Mostly clear and windy. Much Colder with Lows in the mid 20s. North Winds 20 to 30 Mph with Gusts up to 45 Mph, Diminishing to around 10 Mph with Gusts up to 20 Mph after midnight.

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Duncan Temperature Statistics

December Temperature

Duncan, Halliburton Field Airport (1.9 miles)

  • Lowest 14 December, 2025

    19.4 °F

  • Average December

    46.8 °F

  • Highest 25 December, 2025

    80.6 °F

Climate (2020–Present)

Duncan, Halliburton Field Airport (1.9 miles)

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  • Average Low 2020–2025

    52.2 °F

  • Average 2020–2025

    63.3 °F

  • Average High 2020–2025

    75.1 °F
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