Flagstaff Weather Forecast

    • 65
    • 95

    Mostly Sunny

    • 66
    • 96

    Mostly Sunny

    • 66
    • 96

    Mostly Sunny

    • 65
    • 96

    Mostly Sunny

    • 66
    • 95

    Mostly Sunny

    • 68
    • 95

    Mostly Sunny

Today 12 Jul Boulder And Jefferson Counties Below 6000 Feet/West Broomfield County

Sunny. Highs in the 90s. Southeast Winds 10 to 15 Mph with Gusts up to 30 Mph in the afternoon.

Tonight 12 Jul Boulder And Jefferson Counties Below 6000 Feet/West Broomfield County

Clear. Lows 59 to 65.

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Flagstaff Temperature Statistics

July Temperature

Boulder Municipal Airport (3.7 miles)

  • Lowest 1 July, 2026

    55.4 °F

  • Average July

    75.5 °F

  • Highest 5 July, 2026

    96.8 °F

Climate (2021–2026)

Boulder Municipal Airport (3.7 miles)

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  • Average Low 2021–2026

    41.2 °F

  • Average 2021–2026

    53.6 °F

  • Average High 2021–2026

    66.2 °F
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