Fort Duchesne Weather Forecast

    • 46
    • 67

    Mostly Sunny

    • 47
    • 70

    Partly Sunny

    • 48
    • 70

    Rain Showers Likely

    • 48
    • 71

    Mostly Sunny

    • 50
    • 73

    Mostly Sunny

    • 51
    • 74

    Partly Sunny

Today 20 Sep Eastern Uinta Basin

Sunny. Highs in the 60s.

Tonight 20 Sep Eastern Uinta Basin

Mostly clear. Lows in the 40s.

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Fort Duchesne Temperature Statistics

September Temperature

Vernal Airport (20.5 miles)

  • Lowest 3 September, 2026

    50 °F

  • Average September

    67.6 °F

  • Highest 13 September, 2026

    88 °F

Climate (2021–2026)

Vernal Airport (20.5 miles)

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  • Average Low 2021–2026

    37.3 °F

  • Average 2021–2026

    50.1 °F

  • Average High 2021–2026

    62.5 °F
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