Flagstaff Weather Forecast

    • 34
    • 73

    Increasing Clouds

    • 26
    • 41

    Snow Showers

    • 32
    • 57

    Mostly Sunny

    • 44
    • 71

    Partly Sunny

    • 48
    • 75

    Partly Sunny

    • 50
    • 78

    Partly Sunny

Today 16 Apr Boulder And Jefferson Counties Below 6000 Feet/West Broomfield County

Partly cloudy. Highs 71 to 77. South Winds 10 to 20 Mph with Gusts up to 30 Mph.

Tonight 16 Apr Boulder And Jefferson Counties Below 6000 Feet/West Broomfield County

Mostly clear. Lows 35 to 43.

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Flagstaff Temperature Statistics

April Temperature

Boulder Municipal Airport (3.7 miles)

  • Lowest 4 April, 2026

    30.2 °F

  • Average April

    53.2 °F

  • Highest 12 April, 2026

    77 °F

Climate (2021–Present)

Boulder Municipal Airport (3.7 miles)

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  • Average Low 2021–2026

    41.1 °F

  • Average 2021–2026

    53.5 °F

  • Average High 2021–2026

    66 °F
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