Northwest Arvada Weather Forecast

    • 42
    • 68

    Partly Sunny

    • 39
    • 69

    Partly Sunny

    • 35
    • 63

    Partly Sunny

    • 23
    • 54

    Slight Chance Rain/Snow

    • 24
    • 42

    Partly Sunny

    • 30
    • 50

    Partly Sunny

Today 24 Dec Boulder And Jefferson Counties Below 6000 Feet/West Broomfield County

Partly cloudy. Highs in the mid 60s to lower 70s.

Tonight 24 Dec Boulder And Jefferson Counties Below 6000 Feet/West Broomfield County

Partly cloudy in the Evening, then becoming mostly cloudy. Lows 37 to 43.

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Northwest Arvada Temperature Statistics

December Temperature

Broomfield / Jeffco (5.6 miles)

  • Lowest 1 December, 2025

    14 °F

  • Average December

    43.8 °F

  • Highest 22 December, 2025

    77 °F

Climate (2020–Present)

Broomfield / Jeffco (5.6 miles)

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  • Average Low 2020–2025

    41.5 °F

  • Average 2020–2025

    50.8 °F

  • Average High 2020–2025

    65 °F
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