Northwest Arvada Weather Forecast

    • 60
    • 90

    Slight Chance Thunderstorms

    • 60
    • 90

    Slight Chance Thunderstorms

    • 60
    • 90

    Chance Thunderstorms

    • 63
    • 93

    Mostly Sunny

    • 66
    • 98

    Hot

    • 60
    • 94

    Slight Chance Thunderstorms

Today 5 Jul Boulder And Jefferson Counties Below 6000 Feet/West Broomfield County

Partly cloudy. Slight chance of Thunderstorms in the afternoon. Highs near 90. Chance of precipitation 20 percent.

Tonight 5 Jul Boulder And Jefferson Counties Below 6000 Feet/West Broomfield County

Mostly clear. Slight chance of Thunderstorms in the evening. Lows 55 to 61. Chance of precipitation 20 percent.

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  • Temperature Real-Time

Northwest Arvada Temperature Statistics

July Temperature

Broomfield / Jeffco (5.6 miles)

  • Lowest 1 July, 2025

    59 °F

  • Average July

    72.6 °F

  • Highest 3 July, 2025

    95 °F

Climate (2020–Present)

Broomfield / Jeffco (5.6 miles)

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  • Average Low 2020–2025

    41.2 °F

  • Average 2020–2025

    50.6 °F

  • Average High 2020–2025

    64.8 °F
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