Chautauqua Weather Forecast

    • 42
    • 66

    Chance Thunderstorms

    • 46
    • 64

    Chance Rain Showers

    • 49
    • 70

    Chance Rain Showers

    • 56
    • 82

    Slight Chance Thunderstorms

    • 57
    • 83

    Chance Thunderstorms

    • 55
    • 80

    Rain Showers Likely

    • 56
    • 79

    Chance Thunderstorms

Today 21 May Boulder And Jefferson Counties Below 6000 Feet/West Broomfield County

Mostly cloudy. Chance of Showers and slight chance of Thunderstorms early in the Afternoon, then a chance of Thunderstorms late in the afternoon. Highs 61 to 69. Chance of rain 40 percent.

Tonight 21 May Boulder And Jefferson Counties Below 6000 Feet/West Broomfield County

Mostly cloudy in the Evening, then becoming partly cloudy. Chance of Thunderstorms in the Evening, then a slight chance of Showers after midnight. Lows 36 to 44. North Winds 10 to 15 Mph in the Evening, becoming light. Chance of rain 50 percent.

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  • Temperature Real-Time

Chautauqua Temperature Statistics

May Temperature

Boulder Municipal Airport (3.7 miles)

  • Lowest 1 May, 2026

    32 °F

  • Average May

    57.5 °F

  • Highest 11 May, 2026

    87.8 °F

Climate (2021–Present)

Boulder Municipal Airport (3.7 miles)

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  • Average Low 2021–2026

    41.2 °F

  • Average 2021–2026

    53.6 °F

  • Average High 2021–2026

    66.2 °F
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