Old North Boulder Weather Forecast

    • 50
    • 74

    Mostly Cloudy

    • 56
    • 82

    Partly Sunny

    • 54
    • 88

    Mostly Sunny

    • 37
    • 65

    Mostly Cloudy

    • 36
    • 57

    Slight Chance Rain

    • 47
    • 70

    Mostly Cloudy

Today 23 Mar Boulder And Jefferson Counties Below 6000 Feet/West Broomfield County

Mostly cloudy. Highs in the lower 70s.

Tonight 23 Mar Boulder And Jefferson Counties Below 6000 Feet/West Broomfield County

Mostly cloudy. Lows in the lower to mid 40s.

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Old North Boulder Temperature Statistics

March Temperature

Boulder Municipal Airport (2.5 miles)

  • Lowest 16 March, 2026

    21.2 °F

  • Average March

    51.6 °F

  • Highest 20 March, 2026

    86 °F

Climate (2021–Present)

Boulder Municipal Airport (2.5 miles)

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  • Average Low 2021–2026

    41 °F

  • Average 2021–2026

    53.3 °F

  • Average High 2021–2026

    65.8 °F
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