Diamond Mountain Weather Forecast

    • 20
    • 34

    Slight Chance Snow Showers

    • 22
    • 31

    Partly Sunny

    • 25
    • 34

    Partly Sunny

    • 32
    • 37

    Mostly Cloudy

    • 34
    • 42

    Mostly Cloudy

    • 32
    • 42

    Partly Sunny

Today 6 Dec Lower Yampa River Basin

Partly sunny in the Morning, then becoming mostly sunny. Highs 35 to 45. West Winds 10 to 15 Mph. Gusts up to 20 Mph in the morning.

Tonight 6 Dec Lower Yampa River Basin

Mostly clear. Lows 15 to 25.

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Diamond Mountain Temperature Statistics

December Temperature

Vernal Airport (35.4 miles)

  • Lowest 1 December, 2025

    18 °F

  • Average December

    28.3 °F

  • Highest 1 December, 2025

    37.9 °F

Climate (2020–Present)

Vernal Airport (35.4 miles)

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  • Average Low 2020–2025

    36.4 °F

  • Average 2020–2025

    49.2 °F

  • Average High 2020–2025

    61.6 °F
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