Boulder Municipal Airport Weather Forecast

    • 46
    • 76

    Decreasing Clouds

    • 50
    • 81

    Sunny

    • 49
    • 83

    Mostly Sunny

    • 48
    • 77

    Partly Sunny

    • 51
    • 83

    Slight Chance Rain Showers

    • 46
    • 70

    Mostly Sunny

    • 48
    • 76

    Mostly Sunny

Today 23 Sep Boulder And Jefferson Counties Below 6000 Feet/West Broomfield County

Partly cloudy in the morning then becoming mostly cloudy. Highs in the lower 80s.

Tonight 23 Sep Boulder And Jefferson Counties Below 6000 Feet/West Broomfield County

Partly cloudy. Lows near 50.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Boulder Municipal Airport Temperature Statistics

September Temperature

Boulder Municipal Airport (0 miles)

  • Lowest 13 September, 2019

    46.4 °F

  • Average September

    70.6 °F

  • Highest 2 September, 2019

    98.6 °F

Climate (2010–Present)

Boulder Municipal Airport (0 miles)

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  • Average Low 2010–Present

    41.2 °F

  • Average 2010–Present

    53.3 °F

  • Average High 2010–Present

    65.7 °F
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