Central Boulder Weather Forecast

    • 18
    • 31

    Snow Likely

    • 24
    • 44

    Mostly Sunny

    • 29
    • 51

    Mostly Sunny

    • 34
    • 57

    Partly Sunny

    • 37
    • 61

    Mostly Cloudy

    • 34
    • 60

    Mostly Cloudy

Today 28 Dec Boulder And Jefferson Counties Below 6000 Feet/West Broomfield County

Snow likely. Much Colder. Highs in the upper 20s. Chance of snow 70 percent.

Tonight 28 Dec Boulder And Jefferson Counties Below 6000 Feet/West Broomfield County

Mostly clear. Lows 9 to 15.

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Central Boulder Temperature Statistics

December Temperature

Boulder Municipal Airport (2.5 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 (2.5 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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