Dinosaur National Monument Weather Forecast

    • 58
    • 81

    Slight Chance Rain Showers

    • 57
    • 82

    Chance Rain Showers

    • 54
    • 77

    Chance Rain Showers

    • 49
    • 71

    Chance Thunderstorms

    • 48
    • 70

    Chance Thunderstorms

    • 50
    • 75

    Mostly Sunny

    • 51
    • 78

    Mostly Sunny

Today 9 Sep Lower Yampa River Basin

Mostly sunny. Highs 75 to 85. Southeast Winds 10 to 15 Mph, becoming southwest with Gusts up to 20 Mph in the afternoon.

Tonight 9 Sep Lower Yampa River Basin

Partly cloudy. Isolated Showers and Thunderstorms in the Evening, then isolated Showers after midnight. Lows in the 50s. South Winds 10 to 15 Mph with Gusts up to 20 Mph, becoming east after midnight. Chance of rain 20 percent.

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Dinosaur National Monument Temperature Statistics

September Temperature

Vernal Airport (35.4 miles)

  • Lowest 7 September, 2025

    51.1 °F

  • Average September

    70 °F

  • Highest 2 September, 2025

    90 °F

Climate (2020–Present)

Vernal Airport (35.4 miles)

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  • Average Low 2020–2025

    36.1 °F

  • Average 2020–2025

    48.9 °F

  • Average High 2020–2025

    61.5 °F
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