Boulder Municipal Airport Weather Forecast

    • 60
    • 85

    Thunderstorms Likely

    • 58
    • 82

    Rain Showers

    • 60
    • 88

    Slight Chance Thunderstorms

    • 61
    • 92

    Mostly Sunny

    • 64
    • 95

    Partly Sunny

    • 64
    • 95

    Partly Sunny

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

Mostly cloudy. Slight chance of Showers in the Morning, then a chance of Thunderstorms in the afternoon. Highs in the lower to mid 80s. Chance of rain 50 percent.

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

Mostly cloudy with a chance of Thunderstorms in the Evening, then partly cloudy after midnight. Lows near 60. Chance of precipitation 40 percent.

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Boulder Municipal Airport Temperature Statistics

July Temperature

Boulder Municipal Airport (0 miles)

  • Lowest 7 July, 2025

    55.4 °F

  • Average July

    75.4 °F

  • Highest 9 July, 2025

    100.4 °F

Climate (2020–Present)

Boulder Municipal Airport (0 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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