Northwest Arvada Weather Forecast

    • 61
    • 90

    Chance Thunderstorms

    • 60
    • 88

    Chance Thunderstorms

    • 61
    • 89

    Mostly Sunny

    • 64
    • 94

    Mostly Sunny

    • 66
    • 97

    Hot

    • 68
    • 98

    Hot

Today 8 Jul Boulder And Jefferson Counties Below 6000 Feet/West Broomfield County

Partly cloudy in the Morning, then mostly cloudy with a chance of Thunderstorms in the afternoon. Highs 86 to 92. Northeast Winds 10 to 15 Mph in the afternoon. Chance of precipitation 50 percent.

Tonight 8 Jul Boulder And Jefferson Counties Below 6000 Feet/West Broomfield County

Mostly cloudy with a chance of Thunderstorms in the Evening, then partly cloudy after midnight. Lows near 60. Chance of precipitation 40 percent.

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Northwest Arvada Temperature Statistics

July Temperature

Broomfield / Jeffco (5.6 miles)

  • Lowest 1 July, 2026

    55.4 °F

  • Average July

    72.4 °F

  • Highest 5 July, 2026

    93.2 °F

Climate (2021–2026)

Broomfield / Jeffco (5.6 miles)

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  • Average Low 2021–2026

    42.1 °F

  • Average 2021–2026

    51.6 °F

  • Average High 2021–2026

    65.9 °F
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