Rainbow Ridge Weather Forecast

    • 58
    • 83

    Slight Chance Thunderstorms

    • 56
    • 86

    Partly Sunny

    • 56
    • 86

    Partly Sunny

    • 57
    • 85

    Slight Chance Thunderstorms

    • 56
    • 85

    Slight Chance Thunderstorms

    • 53
    • 81

    Chance Thunderstorms

Today 7 Sep Boulder And Jefferson Counties Below 6000 Feet/West Broomfield County

Mostly cloudy. Slight chance of Thunderstorms in the afternoon. Highs in the lower to mid 80s. Chance of precipitation 20 percent.

Tonight 7 Sep Boulder And Jefferson Counties Below 6000 Feet/West Broomfield County

Mostly cloudy with a slight chance of Thunderstorms in the Evening, then partly cloudy after midnight. Lows in the mid to upper 50s. Chance of precipitation 20 percent.

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Rainbow Ridge Temperature Statistics

September Temperature

Broomfield / Jeffco (6.8 miles)

  • Lowest 2 September, 2025

    53.6 °F

  • Average September

    66.2 °F

  • Highest 4 September, 2025

    87.8 °F

Climate (2020–Present)

Broomfield / Jeffco (6.8 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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