Boulder Municipal Airport Weather Forecast

    • 55
    • 82

    Slight Chance Thunderstorms

    • 57
    • 83

    Chance Rain Showers

    • 54
    • 81

    Chance Thunderstorms

    • 53
    • 72

    Rain Showers

    • 54
    • 77

    Chance Thunderstorms

    • 52
    • 77

    Chance Thunderstorms

Today 24 May Boulder And Jefferson Counties Below 6000 Feet/West Broomfield County

Partly cloudy. Slight chance of Thunderstorms in the afternoon. Highs near 80. Chance of precipitation 10 percent.

Tonight 24 May Boulder And Jefferson Counties Below 6000 Feet/West Broomfield County

Mostly clear. Lows 44 to 50.

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Boulder Municipal Airport Temperature Statistics

May Temperature

Boulder Municipal Airport (0 miles)

  • Lowest 1 May, 2026

    32 °F

  • Average May

    56.9 °F

  • Highest 11 May, 2026

    87.8 °F

Climate (2021–Present)

Boulder Municipal Airport (0 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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