Central Boulder Weather Forecast

    • 37
    • 59

    Mostly Sunny

    • 33
    • 61

    Partly Sunny

    • 37
    • 55

    Mostly Sunny

    • 23
    • 57

    Mostly Sunny

    • 23
    • 42

    Mostly Cloudy

    • 30
    • 47

    Mostly Sunny

Today 12 Jan Boulder And Jefferson Counties Below 6000 Feet/West Broomfield County

Mostly sunny. Highs in the upper 50s.

Tonight 12 Jan Boulder And Jefferson Counties Below 6000 Feet/West Broomfield County

Mostly clear. Lows 26 to 32.

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Central Boulder Temperature Statistics

January Temperature

Boulder Municipal Airport (2.5 miles)

  • Lowest 9 January, 2026

    23 °F

  • Average January

    46.3 °F

  • Highest 4 January, 2026

    69.8 °F

Climate (2021–Present)

Boulder Municipal Airport (2.5 miles)

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  • Average Low 2021–2026

    40.7 °F

  • Average 2021–2026

    52.9 °F

  • Average High 2021–2026

    65.4 °F
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