Flagstaff Weather Forecast

    • 50
    • 74

    Mostly Cloudy

    • 39
    • 71

    Rain Showers Likely

    • 34
    • 41

    Rain/Snow

    • 38
    • 50

    Rain/Snow Likely

    • 47
    • 70

    Partly Sunny

    • 49
    • 76

    Chance Thunderstorms

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

Partly cloudy in the Morning, then becoming mostly cloudy. Highs 72 to 78. Northwest Winds 10 to 15 Mph in the afternoon.

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

Mostly clear. Lows 40 to 48.

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Flagstaff Temperature Statistics

May Temperature

Boulder Municipal Airport (3.7 miles)

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Climate (2021–Present)

Boulder Municipal Airport (3.7 miles)

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  • Average Low 2021–2026

    41.2 °F

  • Average 2021–2026

    53.5 °F

  • Average High 2021–2026

    66.1 °F
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