Gunbarrel Weather Forecast

    • 9
    • 31

    Snow

    • 18
    • 36

    Partly Sunny

    • 21
    • 38

    Partly Sunny

    • 23
    • 43

    Chance Rain/Snow

    • 25
    • 43

    Partly Sunny

    • 27
    • 50

    Partly Sunny

Today 3 Dec Boulder And Jefferson Counties Below 6000 Feet/West Broomfield County

Snow until late Afternoon, then a chance of snow late in the afternoon. New snow accumulation of 3 to 5 Inches. Highs in the lower 30s.

Tonight 3 Dec Boulder And Jefferson Counties Below 6000 Feet/West Broomfield County

Mostly cloudy with a chance of snow in the Evening, then partly cloudy after midnight. Lows 9 to 13. Chance of snow 30 percent.

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Gunbarrel Temperature Statistics

December Temperature

Boulder Municipal Airport (3.1 miles)

  • Lowest 1 December, 2025

    14 °F

  • Average December

    28.7 °F

  • Highest 1 December, 2025

    44.6 °F

Climate (2020–Present)

Boulder Municipal Airport (3.1 miles)

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  • Average Low 2020–2025

    40.5 °F

  • Average 2020–2025

    52.7 °F

  • Average High 2020–2025

    65.1 °F
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