Mountain Crest Weather Forecast

    • 56
    • 80

    Decreasing Clouds

    • 55
    • 83

    Mostly Sunny

    • 56
    • 84

    Mostly Sunny

    • 56
    • 82

    Partly Sunny

    • 53
    • 76

    Partly Sunny

    • 50
    • 72

    Chance Rain Showers

Today 7 Oct Boulder And Jefferson Counties Below 6000 Feet/West Broomfield County

Partly cloudy with a 30 percent chance of Showers. Highs 64 to 70.

Tonight 7 Oct Boulder And Jefferson Counties Below 6000 Feet/West Broomfield County

Partly cloudy. Lows 48 to 56.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Mountain Crest Temperature Statistics

October Temperature

Broomfield / Jeffco (11.8 miles)

  • Lowest 2 October, 2026

    46.4 °F

  • Average October

    63.4 °F

  • Highest 5 October, 2026

    89.6 °F

Climate (2021–2026)

Broomfield / Jeffco (11.8 miles)

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  • Average Low 2021–2026

    42.2 °F

  • Average 2021–2026

    51.7 °F

  • Average High 2021–2026

    66.1 °F
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