Northwest Arvada Weather Forecast

    • 26
    • 39

    Mostly Sunny

    • 21
    • 54

    Mostly Sunny

    • 26
    • 39

    Mostly Sunny

    • 25
    • 56

    Partly Sunny

    • 19
    • 43

    Partly Sunny

    • 21
    • 45

    Partly Sunny

Today 17 Jan Boulder And Jefferson Counties Below 6000 Feet/West Broomfield County

Mostly sunny. Highs near 40. North Winds 10 to 15 Mph with Gusts up to 25 Mph.

Tonight 17 Jan Boulder And Jefferson Counties Below 6000 Feet/West Broomfield County

Mostly clear. Lows 22 to 28. West Winds 10 to 15 Mph with Gusts up to 25 Mph after midnight.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Northwest Arvada Temperature Statistics

January Temperature

Broomfield / Jeffco (5.6 miles)

  • Lowest 9 January, 2026

    17.6 °F

  • Average January

    43.9 °F

  • Highest 4 January, 2026

    69.8 °F

Climate (2021–Present)

Broomfield / Jeffco (5.6 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2021–2026

    41.6 °F

  • Average 2021–2026

    50.9 °F

  • Average High 2021–2026

    65.2 °F
Get WillyWeather+ to remove ads