Four Mile Creek Weather Forecast

    • 50
    • 75

    Mostly Cloudy

    • 52
    • 73

    Mostly Cloudy

    • 45
    • 77

    Chance Rain Showers

    • 37
    • 55

    Rain Showers Likely

    • 37
    • 54

    Slight Chance Rain Showers

    • 36
    • 54

    Partly Sunny

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

Partly cloudy. Highs 71 to 77.

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

Mostly cloudy. Lows 45 to 53.

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Four Mile Creek Temperature Statistics

October Temperature

Boulder Municipal Airport (1.2 miles)

  • Lowest 16 October, 2026

    35.6 °F

  • Average October

    62.8 °F

  • Highest 5 October, 2026

    91.4 °F

Climate (2021–2026)

Boulder Municipal Airport (1.2 miles)

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  • Average Low 2021–2026

    41.5 °F

  • Average 2021–2026

    53.8 °F

  • Average High 2021–2026

    66.5 °F
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