Duncan Weather Forecast

    • 58
    • 81

    Mostly Sunny

    • 61
    • 87

    Breezy

    • 52
    • 88

    Thunderstorms Likely

    • 48
    • 69

    Chance Thunderstorms

    • 56
    • 70

    Chance Rain Showers

    • 51
    • 81

    Chance Thunderstorms

Today 29 Mar Stephens

Sunny, breezy and not as cool with Highs in the lower 80s. South Winds 15 to 25 Mph with Gusts up to 35 Mph.

Tonight 29 Mar Stephens

Mostly clear. Lows in the upper 50s. South Winds 15 to 20 Mph. Gusts up to 35 Mph in the evening.

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Duncan Temperature Statistics

March Temperature

Duncan, Halliburton Field Airport (1.9 miles)

  • Lowest 16 March, 2026

    28.4 °F

  • Average March

    63 °F

  • Highest 20 March, 2026

    95 °F

Climate (2021–Present)

Duncan, Halliburton Field Airport (1.9 miles)

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  • Average Low 2021–2026

    52.4 °F

  • Average 2021–2026

    63.7 °F

  • Average High 2021–2026

    75.7 °F
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