Copland Airport Weather Forecast

    • 65
    • 91

    Chance Thunderstorms

    • 69
    • 91

    Slight Chance Thunderstorms

    • 68
    • 91

    Chance Thunderstorms

    • 68
    • 91

    Chance Thunderstorms

    • 64
    • 91

    Chance Thunderstorms

    • 61
    • 84

    Mostly Sunny

Today 18 Sep Stephens

Mostly sunny. A chance of Showers and Thunderstorms this afternoon. Highs in the lower 90s. Southwest Winds around 5 Mph, becoming northwest this afternoon. Chance of rain 30 percent.

Tonight 18 Sep Stephens

Partly cloudy. A slight chance of Showers and Thunderstorms in the Evening, then a chance of Showers and Thunderstorms after midnight. Lows in the mid 60s. Northeast Winds around 5 Mph. Chance of rain 40 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Copland Airport Temperature Statistics

September Temperature

Duncan, Halliburton Field Airport (2.5 miles)

  • Lowest 8 September, 2025

    57.2 °F

  • Average September

    75.6 °F

  • Highest 11 September, 2025

    95 °F

Climate (2020–Present)

Duncan, Halliburton Field Airport (2.5 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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