Central Boulder Weather Forecast

    • 56
    • 71

    Rain Showers Likely

    • 56
    • 78

    Chance Thunderstorms

    • 56
    • 82

    Chance Thunderstorms

    • 53
    • 80

    Chance Thunderstorms

    • 56
    • 81

    Chance Thunderstorms

    • 56
    • 81

    Rain Showers Likely

Today 27 May Boulder And Jefferson Counties Below 6000 Feet/West Broomfield County

Mostly cloudy. Slight chance of Showers late in the morning. Chance of Thunderstorms in the afternoon. Highs near 70. Southeast Winds 10 to 20 Mph with Gusts up to 35 Mph. Chance of rain 40 percent.

Tonight 27 May Boulder And Jefferson Counties Below 6000 Feet/West Broomfield County

Mostly cloudy. Chance of Thunderstorms in the evening. Lows in the lower to mid 50s. Chance of precipitation 40 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Central Boulder Temperature Statistics

May Temperature

Boulder Municipal Airport (2.5 miles)

  • Lowest 1 May, 2026

    32 °F

  • Average May

    57.8 °F

  • Highest 11 May, 2026

    87.8 °F

Climate (2021–Present)

Boulder Municipal Airport (2.5 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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