Glenwood Grove - North Iris Weather Forecast

    • 55
    • 74

    Rain Showers Likely

    • 53
    • 68

    Rain Showers Likely

    • 49
    • 67

    Chance Rain Showers

    • 46
    • 67

    Mostly Sunny

    • 51
    • 76

    Mostly Sunny

    • 52
    • 78

    Partly Sunny

Today 28 Sep Boulder And Jefferson Counties Below 6000 Feet/West Broomfield County

Mostly cloudy. Slight chance of Showers in the Morning, then a chance of Showers in the afternoon. Highs in the lower to mid 70s. Chance of rain 50 percent.

Tonight 28 Sep Boulder And Jefferson Counties Below 6000 Feet/West Broomfield County

Cloudy with a 50 percent chance of Showers. Lows in the lower to mid 50s.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Glenwood Grove - North Iris Temperature Statistics

September Temperature

Boulder Municipal Airport (1.2 miles)

  • Lowest 22 September, 2026

    50 °F

  • Average September

    70.2 °F

  • Highest 13 September, 2026

    96.8 °F

Climate (2021–2026)

Boulder Municipal Airport (1.2 miles)

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  • Average Low 2021–2026

    41.4 °F

  • Average 2021–2026

    53.7 °F

  • Average High 2021–2026

    66.4 °F
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