Dinosaur National Monument Weather Forecast

    • 55
    • 75

    Slight Chance Thunderstorms

    • 55
    • 77

    Mostly Sunny

    • 57
    • 78

    Mostly Sunny

    • 57
    • 81

    Partly Sunny

    • 58
    • 81

    Chance Rain Showers

    • 58
    • 80

    Chance Thunderstorms

Today 1 Sep Lower Yampa River Basin

Sunny. Highs in the 70s. Southwest Winds 10 to 15 Mph in the afternoon.

Tonight 1 Sep Lower Yampa River Basin

Mostly cloudy with a chance of Showers with a slight chance of Thunderstorms. Lows 45 to 55. Chance of rain 50 percent.

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Dinosaur National Monument Temperature Statistics

September Temperature

Vernal Airport (35.4 miles)

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  • Average September

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Climate (2021–2026)

Vernal Airport (35.4 miles)

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  • Average Low 2021–2026

    37.2 °F

  • Average 2021–2026

    50.1 °F

  • Average High 2021–2026

    62.6 °F
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