Gunbarrel Weather Forecast

    • 20
    • 56

    Snow Likely

    • 13
    • 31

    Snow Likely

    • 20
    • 41

    Mostly Sunny

    • 25
    • 47

    Mostly Sunny

    • 30
    • 54

    Partly Sunny

    • 32
    • 58

    Mostly Cloudy

    • 32
    • 58

    Mostly Cloudy

Today 27 Dec Boulder And Jefferson Counties Below 6000 Feet/West Broomfield County

Partly cloudy. Slight chance of rain in the afternoon. Highs in the mid to upper 50s. West Winds 10 to 15 Mph with Gusts up to 20 Mph in the afternoon. Chance of rain 10 percent.

Tonight 27 Dec Boulder And Jefferson Counties Below 6000 Feet/West Broomfield County

Chance of rain and snow in the Evening, then snow after midnight. Colder. Snow accumulation of 1 to 2 Inches. Lows 17 to 21.

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  • Temperature Real-Time

Gunbarrel Temperature Statistics

December Temperature

Boulder Municipal Airport (3.1 miles)

  • Lowest 4 December, 2025

    10.4 °F

  • Average December

    45.7 °F

  • Highest 22 December, 2025

    71.6 °F

Climate (2020–Present)

Boulder Municipal Airport (3.1 miles)

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  • Average Low 2020–2025

    40.7 °F

  • Average 2020–2025

    52.8 °F

  • Average High 2020–2025

    65.3 °F
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