Boulder Weather Forecast

    • 61
    • 93

    Slight Chance Thunderstorms

    • 57
    • 85

    Chance Thunderstorms

    • 61
    • 88

    Slight Chance Thunderstorms

    • 61
    • 91

    Slight Chance Thunderstorms

    • 63
    • 93

    Partly Sunny

    • 62
    • 95

    Mostly Sunny

Today 20 Aug Boulder And Jefferson Counties Below 6000 Feet/West Broomfield County

Partly cloudy in the late morning and early Afternoon, then mostly cloudy with a 10 percent chance of Thunderstorms late in the afternoon. Highs in the lower to mid 90s.

Tonight 20 Aug Boulder And Jefferson Counties Below 6000 Feet/West Broomfield County

Mostly cloudy with a chance of Thunderstorms in the Evening, then partly cloudy with a slight chance of Thunderstorms after midnight. Lows near 60. Chance of Thunderstorms 30 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Boulder Temperature Statistics

August Temperature

Boulder Municipal Airport (2.5 miles)

  • Lowest 14 August, 2019

    55.4 °F

  • Average August

    74.6 °F

  • Highest 3 August, 2019

    95 °F

Climate (2010–Present)

Boulder Municipal Airport (2.5 miles)

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  • Average Low 2010–Present

    40.7 °F

  • Average 2010–Present

    52.8 °F

  • Average High 2010–Present

    65.1 °F
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