Duncan Weather Forecast

    • 71
    • 87

    Thunderstorms Likely

    • 76
    • 95

    Mostly Sunny

    • 75
    • 96

    Mostly Sunny

    • 73
    • 94

    Chance Thunderstorms

    • 74
    • 94

    Mostly Sunny

    • 74
    • 95

    Mostly Sunny

Today 15 Jun Stephens

A slight chance of Thunderstorms after midnight. Showers likely. Thunderstorms likely. Humid with Highs in the mid 80s. Southeast Winds 5 to 10 Mph, becoming southwest this afternoon. Chance of rain 70 percent.

Tonight 15 Jun Stephens

Partly cloudy with a slight chance of Showers and Thunderstorms. Humid with Lows in the lower 70s. East Winds 5 to 10 Mph. Chance of rain 20 percent.

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Duncan Temperature Statistics

June Temperature

Duncan, Halliburton Field Airport (1.9 miles)

  • Lowest 4 June, 2025

    60.8 °F

  • Average June

    75.9 °F

  • Highest 2 June, 2025

    91.4 °F

Climate (2020–Present)

Duncan, Halliburton Field Airport (1.9 miles)

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  • Average Low 2020–2025

    52 °F

  • Average 2020–2025

    63 °F

  • Average High 2020–2025

    74.8 °F
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