Barths Weather Forecast

    • 64
    • 92

    Slight Chance Thunderstorms

    • 64
    • 93

    Slight Chance Thunderstorms

    • 62
    • 91

    Chance Thunderstorms

    • 62
    • 88

    Chance Thunderstorms

    • 63
    • 88

    Chance Thunderstorms

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

Partly cloudy in the Morning, then mostly cloudy with a slight chance of Thunderstorms in the afternoon. Highs near 90. Chance of precipitation 20 percent.

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

Mostly clear. Lows 59 to 65.

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Barths Temperature Statistics

September Temperature

Broomfield / Jeffco (8.7 miles)

  • Lowest 1 September, 2026

    60.8 °F

  • Average September

    70.4 °F

  • Highest 2 September, 2026

    89.6 °F

Climate (2021–2026)

Broomfield / Jeffco (8.7 miles)

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  • Average Low 2021–2026

    42.1 °F

  • Average 2021–2026

    51.7 °F

  • Average High 2021–2026

    66 °F
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