Flagstaff Weather Forecast

    • 22
    • 42

    Breezy

    • 27
    • 48

    Decreasing Clouds

    • 29
    • 52

    Mostly Cloudy

    • 28
    • 47

    Partly Sunny

    • 28
    • 47

    Mostly Cloudy

    • 31
    • 55

    Partly Sunny

    • 34
    • 58

    Partly Sunny

Today 26 Jan Boulder And Jefferson Counties Below 6000 Feet/West Broomfield County

Mostly sunny. Patchy blowing snow early in the afternoon. Highs in the lower to mid 40s. West Winds 10 to 20 Mph with Gusts up to 30 Mph.

Tonight 26 Jan Boulder And Jefferson Counties Below 6000 Feet/West Broomfield County

Partly cloudy. Lows 15 to 21. West Winds 10 to 20 Mph with Gusts up to 25 Mph.

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Flagstaff Temperature Statistics

January Temperature

Boulder Municipal Airport (3.7 miles)

  • Lowest 24 January, 2026

    3.2 °F

  • Average January

    39.5 °F

  • Highest 4 January, 2026

    69.8 °F

Climate (2021–Present)

Boulder Municipal Airport (3.7 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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