Gunbarrel Weather Forecast

    • 38
    • 67

    Mostly Cloudy

    • 37
    • 67

    Partly Sunny

    • 32
    • 61

    Partly Sunny

    • 19
    • 52

    Slight Chance Rain/Snow

    • 20
    • 40

    Partly Sunny

    • 26
    • 48

    Partly Sunny

Today 24 Dec Boulder And Jefferson Counties Below 6000 Feet/West Broomfield County

Partly cloudy. Highs in the mid 60s to lower 70s.

Tonight 24 Dec Boulder And Jefferson Counties Below 6000 Feet/West Broomfield County

Partly cloudy in the Evening, then becoming mostly cloudy. Lows 37 to 43.

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Gunbarrel Temperature Statistics

December Temperature

Boulder Municipal Airport (3.1 miles)

  • Lowest 4 December, 2025

    10.4 °F

  • Average December

    44.6 °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

    40.6 °F

  • Average 2020–2025

    52.8 °F

  • Average High 2020–2025

    65.2 °F
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