Interurban Park Weather Forecast

    • 50
    • 74

    Rain Showers Likely

    • 48
    • 70

    Rain Showers Likely

    • 47
    • 70

    Chance Rain Showers

    • 51
    • 77

    Mostly Sunny

    • 54
    • 81

    Partly Sunny

    • 53
    • 80

    Partly Sunny

Today 16 Sep Boulder And Jefferson Counties Below 6000 Feet/West Broomfield County

Partly cloudy in the Morning, then becoming mostly cloudy. Slight chance of Thunderstorms in the Morning, then a chance of Thunderstorms in the afternoon. Highs in the 70s. Chance of rain 40 percent.

Tonight 16 Sep Boulder And Jefferson Counties Below 6000 Feet/West Broomfield County

Showers likely and chance of Thunderstorms in the Evening, then a chance of Showers and slight chance of Thunderstorms after midnight. Lows near 50. Chance of rain 60 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Interurban Park Temperature Statistics

September Temperature

Boulder Municipal Airport (3.7 miles)

  • Lowest 6 September, 2025

    44.6 °F

  • Average September

    69.2 °F

  • Highest 10 September, 2025

    91.4 °F

Climate (2020–Present)

Boulder Municipal Airport (3.7 miles)

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  • Average Low 2020–2025

    40.4 °F

  • Average 2020–2025

    52.6 °F

  • Average High 2020–2025

    65 °F
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