Central Boulder Weather Forecast

    • 48
    • 73

    Increasing Clouds

    • 48
    • 66

    Mostly Sunny

    • 50
    • 71

    Mostly Sunny

    • 53
    • 72

    Partly Sunny

    • 55
    • 71

    Mostly Cloudy

    • 51
    • 70

    Chance Rain Showers

Today 18 Oct Boulder And Jefferson Counties Below 6000 Feet/West Broomfield County

Mostly sunny. Highs in the lower to mid 70s.

Tonight 18 Oct Boulder And Jefferson Counties Below 6000 Feet/West Broomfield County

Partly cloudy. Lows 40 to 46.

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Central Boulder Temperature Statistics

October Temperature

Boulder Municipal Airport (2.5 miles)

  • Lowest 15 October, 2026

    41 °F

  • Average October

    64.7 °F

  • Highest 5 October, 2026

    91.4 °F

Climate (2021–2026)

Boulder Municipal Airport (2.5 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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