Duncan Weather Forecast

    • 64
    • 81

    Rain Showers

    • 65
    • 87

    Chance Thunderstorms

    • 62
    • 83

    Chance Thunderstorms

    • 58
    • 82

    Chance Thunderstorms

    • 62
    • 85

    Slight Chance Thunderstorms

    • 53
    • 81

    Rain Showers Likely

Today 12 Apr Stephens

Becoming partly sunny in the afternoon. A chance of Thunderstorms. Showers, mainly in the morning. Highs in the lower 80s. South Winds 15 to 20 Mph with Gusts up to 30 Mph. Chance of rain near 100 percent.

Tonight 12 Apr Stephens

Mostly clear in the Evening, then becoming partly cloudy. Lows in the mid 60s. South Winds 15 to 20 Mph with Gusts up to 30 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Duncan Temperature Statistics

April Temperature

Duncan, Halliburton Field Airport (1.9 miles)

  • Lowest 5 April, 2026

    42.8 °F

  • Average April

    64.5 °F

  • Highest 2 April, 2026

    86 °F

Climate (2021–Present)

Duncan, Halliburton Field Airport (1.9 miles)

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  • Average Low 2021–2026

    52.5 °F

  • Average 2021–2026

    63.7 °F

  • Average High 2021–2026

    75.7 °F
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