Broomfield Weather Forecast

    • 64
    • 93

    Mostly Sunny

    • 64
    • 96

    Mostly Sunny

    • 59
    • 85

    Thunderstorms Likely

    • 58
    • 79

    Thunderstorms Likely

    • 57
    • 76

    Rain Showers Likely

    • 57
    • 74

    Rain Showers

Today 20 Aug Boulder And Jefferson Counties Below 6000 Feet/West Broomfield County

Mostly sunny. Highs in the lower to mid 90s.

Tonight 20 Aug Boulder And Jefferson Counties Below 6000 Feet/West Broomfield County

Mostly clear. Lows in the lower to mid 60s.

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Broomfield Temperature Statistics

August Temperature

Broomfield / Jeffco (1.2 miles)

  • Lowest 2 August, 2025

    50 °F

  • Average August

    72.5 °F

  • Highest 4 August, 2025

    96.8 °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

    64.8 °F
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