Montclair Weather Forecast

    • 32
    • 46

    Partly Sunny

    • 41
    • 60

    Partly Sunny

    • 37
    • 71

    Partly Sunny

    • 40
    • 65

    Mostly Cloudy

    • 43
    • 68

    Partly Sunny

    • 41
    • 69

    Partly Sunny

    • 35
    • 63

    Partly Sunny

Today 20 Dec North Douglas County Below 6000 Feet/Denver/West Adams and Arapahoe Counties/East Broomfield County

Partly cloudy. Slight chance of rain in the morning. Highs 52 to 58. North Winds 10 to 15 Mph with Gusts up to 25 Mph in the Morning, becoming light. Chance of rain 10 percent.

Tonight 20 Dec North Douglas County Below 6000 Feet/Denver/West Adams and Arapahoe Counties/East Broomfield County

Partly cloudy. Lows near 30.

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Montclair Temperature Statistics

December Temperature

Buckley Air Force Base Airport (8.1 miles)

  • Lowest 1 December, 2025

    10.6 °F

  • Average December

    42.1 °F

  • Highest 15 December, 2025

    70.2 °F

Climate (2020–Present)

Buckley Air Force Base Airport (8.1 miles)

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  • Average Low 2020–2025

    39.5 °F

  • Average 2020–2025

    51.6 °F

  • Average High 2020–2025

    65 °F
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