Chautauqua Weather Forecast

    • 65
    • 92

    Mostly Sunny

    • 66
    • 96

    Slight Chance Thunderstorms

    • 64
    • 89

    Chance Thunderstorms

    • 66
    • 91

    Chance Thunderstorms

    • 62
    • 90

    Rain Showers Likely

    • 61
    • 88

    Chance Thunderstorms

    • 61
    • 87

    Chance Thunderstorms

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

Mostly sunny. Highs in the lower to mid 90s.

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

Mostly clear. Lows 59 to 65.

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Chautauqua Temperature Statistics

August Temperature

Boulder Municipal Airport (3.7 miles)

  • Lowest 5 August, 2026

    50 °F

  • Average August

    76.3 °F

  • Highest 2 August, 2026

    104 °F

Climate (2021–2026)

Boulder Municipal Airport (3.7 miles)

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  • Average Low 2021–2026

    41.3 °F

  • Average 2021–2026

    53.7 °F

  • Average High 2021–2026

    66.3 °F
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