Gunbarrel Weather Forecast

    • 29
    • 67

    Chance Snow Showers

    • 33
    • 48

    Mostly Sunny

    • 44
    • 64

    Breezy

    • 31
    • 59

    Slight Chance Rain Showers

    • 34
    • 55

    Partly Sunny

    • 37
    • 63

    Partly Sunny

Today 17 Dec Boulder And Jefferson Counties Below 6000 Feet/West Broomfield County

Partly cloudy. Strong Winds. Highs 64 to 70. Southwest Winds 10 to 15 Mph with Gusts up to 30 Mph, increasing to west 35 to 45 Mph with Gusts up to 75 Mph in the afternoon.

Tonight 17 Dec Boulder And Jefferson Counties Below 6000 Feet/West Broomfield County

Mostly cloudy with a chance of rain and snow Showers in the Evening, then mostly clear after midnight. Windy. Lows 28 to 34. Northwest Winds 20 to 30 Mph. Gusts up to 60 Mph, decreasing to 35 Mph after midnight. Chance of precipitation 40 percent.

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Gunbarrel Temperature Statistics

December Temperature

Boulder Municipal Airport (3.1 miles)

  • Lowest 4 December, 2025

    10.4 °F

  • Average December

    41.3 °F

  • Highest 15 December, 2025

    66.2 °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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