Northwest Arvada Weather Forecast

    • 30
    • 58

    Increasing Clouds

    • 21
    • 40

    Snow Likely

    • 13
    • 31

    Chance Snow

    • 21
    • 42

    Partly Sunny

    • 26
    • 49

    Mostly Sunny

    • 27
    • 51

    Partly Sunny

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

Partly cloudy. Highs in the upper 50s.

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

Mostly cloudy. Slight chance of snow after midnight. Lows in the upper 20s. Chance of snow 10 percent.

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Northwest Arvada Temperature Statistics

January Temperature

Broomfield / Jeffco (5.6 miles)

  • Lowest 3 January, 2026

    33.8 °F

  • Average January

    50.9 °F

  • Highest 4 January, 2026

    69.8 °F

Climate (2021–Present)

Broomfield / Jeffco (5.6 miles)

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  • Average Low 2021–2026

    41.5 °F

  • Average 2021–2026

    50.9 °F

  • Average High 2021–2026

    65.1 °F
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