Flagstaff Weather Forecast

    • 58
    • 77

    Slight Chance Thunderstorms

    • 61
    • 87

    Chance Thunderstorms

    • 62
    • 90

    Slight Chance Thunderstorms

    • 63
    • 88

    Chance Thunderstorms

    • 59
    • 83

    Chance Thunderstorms

    • 59
    • 84

    Chance Thunderstorms

    • 59
    • 85

    Chance Thunderstorms

Today 30 Jun Boulder And Jefferson Counties Below 6000 Feet/West Broomfield County

Mostly cloudy. Chance of Showers in the Morning, then a slight chance of Thunderstorms in the afternoon. Highs in the mid to upper 70s. Chance of rain 30 percent.

Tonight 30 Jun Boulder And Jefferson Counties Below 6000 Feet/West Broomfield County

Mostly cloudy with a slight chance of Thunderstorms early in the Evening, then partly cloudy overnight. Lows in the mid to upper 50s. Chance of precipitation 10 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Flagstaff Temperature Statistics

June Temperature

Boulder Municipal Airport (3.7 miles)

  • Lowest 3 June, 2025

    46.4 °F

  • Average June

    68.9 °F

  • Highest 20 June, 2025

    100.4 °F

Climate (2020–Present)

Boulder Municipal Airport (3.7 miles)

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  • Average Low 2020–2025

    40.4 °F

  • Average 2020–2025

    52.5 °F

  • Average High 2020–2025

    64.9 °F
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