Northwest Arvada Weather Forecast

    • 33
    • 60

    Breezy

    • 43
    • 57

    Partly Sunny

    • 37
    • 63

    Partly Sunny

    • 38
    • 60

    Partly Sunny

    • 31
    • 59

    Partly Sunny

    • 35
    • 59

    Partly Sunny

    • 34
    • 57

    Partly Sunny

Today 9 Dec Boulder And Jefferson Counties Below 6000 Feet/West Broomfield County

Partly cloudy. Highs near 60. West Winds 15 to 25 Mph with Gusts up to 50 Mph.

Tonight 9 Dec Boulder And Jefferson Counties Below 6000 Feet/West Broomfield County

Partly cloudy. Lows in the lower to mid 30s. West Winds 10 to 15 Mph with Gusts up to 35 Mph in the Evening, becoming light.

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Northwest Arvada Temperature Statistics

December Temperature

Broomfield / Jeffco (5.6 miles)

  • Lowest 1 December, 2025

    14 °F

  • Average December

    32.3 °F

  • Highest 2 December, 2025

    48.2 °F

Climate (2020–Present)

Broomfield / Jeffco (5.6 miles)

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  • Average Low 2020–2025

    41.4 °F

  • Average 2020–2025

    50.7 °F

  • Average High 2020–2025

    64.9 °F
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