Flagstaff Weather Forecast

    • 13
    • 29

    Snow

    • 23
    • 39

    Partly Sunny

    • 26
    • 41

    Mostly Cloudy

    • 27
    • 45

    Chance Rain/Snow

    • 29
    • 45

    Partly Sunny

    • 31
    • 51

    Partly Sunny

Today 3 Dec Boulder And Jefferson Counties Below 6000 Feet/West Broomfield County

Snow until late Afternoon, then a chance of snow late in the afternoon. New snow accumulation of 3 to 5 Inches. Highs in the lower 30s.

Tonight 3 Dec Boulder And Jefferson Counties Below 6000 Feet/West Broomfield County

Mostly cloudy with a chance of snow in the Evening, then partly cloudy after midnight. Lows 9 to 13. Chance of snow 30 percent.

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Flagstaff Temperature Statistics

December Temperature

Boulder Municipal Airport (3.7 miles)

  • Lowest

  • Average December

  • Highest

Climate (2020–Present)

Boulder Municipal Airport (3.7 miles)

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  • Average Low 2020–2025

    40.6 °F
  • Average 2020–2025

    52.7 °F
  • Average High 2020–2025

    65.1 °F
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