Gunbarrel Weather Forecast

    • 19
    • 54

    Snow Likely

    • 21
    • 40

    Chance Snow

    • 21
    • 52

    Mostly Sunny

    • 19
    • 49

    Mostly Sunny

    • 21
    • 50

    Partly Sunny

    • 16
    • 42

    Slight Chance Snow

    • 15
    • 38

    Partly Sunny

Today 18 Jan Boulder And Jefferson Counties Below 6000 Feet/West Broomfield County

Mostly sunny. Highs near 50.

Tonight 18 Jan Boulder And Jefferson Counties Below 6000 Feet/West Broomfield County

Chance of snow during the late evening hours. Snow likely after midnight. Snow accumulation of 1 to 2 Inches. Lows 19 to 23. Chance of snow 60 percent.

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Gunbarrel Temperature Statistics

January Temperature

Boulder Municipal Airport (3.1 miles)

  • Lowest 10 January, 2026

    19.4 °F

  • Average January

    45.3 °F

  • Highest 4 January, 2026

    69.8 °F

Climate (2021–Present)

Boulder Municipal Airport (3.1 miles)

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  • Average Low 2021–2026

    40.7 °F

  • Average 2021–2026

    52.9 °F

  • Average High 2021–2026

    65.4 °F
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