Broomfield Weather Forecast

    • 52
    • 74

    Chance Rain Showers

    • 52
    • 83

    Partly Sunny

    • 48
    • 76

    Chance Thunderstorms

    • 49
    • 72

    Chance Thunderstorms

    • 51
    • 79

    Mostly Sunny

    • 56
    • 82

    Partly Sunny

Today 14 Sep Boulder And Jefferson Counties Below 6000 Feet/West Broomfield County

Mostly cloudy with a chance of Showers in the Morning, then partly cloudy in the afternoon. Highs in the mid 70s. Chance of rain 40 percent.

Tonight 14 Sep Boulder And Jefferson Counties Below 6000 Feet/West Broomfield County

Mostly clear. Lows near 50.

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Broomfield Temperature Statistics

September Temperature

Broomfield / Jeffco (1.2 miles)

  • Lowest 6 September, 2025

    48.2 °F

  • Average September

    67.1 °F

  • Highest 10 September, 2025

    91.4 °F

Climate (2020–Present)

Broomfield / Jeffco (1.2 miles)

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  • Average Low 2020–2025

    41.2 °F

  • Average 2020–2025

    50.6 °F

  • Average High 2020–2025

    64.9 °F
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