Duncan Weather Forecast

    • 73
    • 91

    Chance Thunderstorms

    • 75
    • 93

    Partly Sunny

    • 78
    • 95

    Partly Sunny

    • 79
    • 96

    Partly Sunny

    • 79
    • 98

    Breezy

    • 79
    • 100

    Breezy

Today 23 Jun Stephens

Partly sunny with a chance of Showers and Thunderstorms. Highs around 90. East Winds 5 to 10 Mph, becoming south 10 to 15 Mph this afternoon. Chance of rain 50 percent.

Tonight 23 Jun Stephens

Partly cloudy with a chance of Showers and Thunderstorms in the Evening, then mostly cloudy after midnight. Humid with Lows in the lower 70s. Southeast Winds 10 to 15 Mph. Chance of rain 40 percent.

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Duncan Temperature Statistics

June Temperature

Duncan, Halliburton Field Airport (1.9 miles)

  • Lowest 14 June, 2026

    66.2 °F

  • Average June

    79.8 °F

  • Highest 1 June, 2026

    95 °F

Climate (2021–2026)

Duncan, Halliburton Field Airport (1.9 miles)

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  • Average Low 2021–2026

    52.6 °F

  • Average 2021–2026

    63.9 °F

  • Average High 2021–2026

    75.9 °F
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