Gunbarrel Weather Forecast

    • 57
    • 86

    Chance Thunderstorms

    • 56
    • 83

    Chance Thunderstorms

    • 57
    • 86

    Slight Chance Thunderstorms

    • 59
    • 93

    Partly Sunny

    • 59
    • 92

    Slight Chance Thunderstorms

    • 57
    • 89

    Chance Thunderstorms

Today 25 Aug Boulder And Jefferson Counties Below 6000 Feet/West Broomfield County

Partly cloudy in the Morning, then mostly cloudy with a chance of Thunderstorms in the afternoon. Highs 83 to 89. Chance of precipitation 40 percent.

Tonight 25 Aug Boulder And Jefferson Counties Below 6000 Feet/West Broomfield County

Partly cloudy. Lows 58 to 64.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Gunbarrel Temperature Statistics

August Temperature

Boulder Municipal Airport (3.1 miles)

  • Lowest 5 August, 2026

    50 °F

  • Average August

    76.5 °F

  • Highest 2 August, 2026

    104 °F

Climate (2021–2026)

Boulder Municipal Airport (3.1 miles)

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  • Average Low 2021–2026

    41.3 °F

  • Average 2021–2026

    53.7 °F

  • Average High 2021–2026

    66.4 °F
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