Interurban Park Weather Forecast

    • 59
    • 74

    Chance Thunderstorms

    • 54
    • 70

    Chance Rain Showers

    • 55
    • 75

    Chance Thunderstorms

    • 55
    • 82

    Mostly Sunny

    • 60
    • 82

    Partly Sunny

    • 52
    • 77

    Rain Showers Likely

    • 48
    • 66

    Chance Rain Showers

Today 23 Sep Boulder And Jefferson Counties Below 6000 Feet/West Broomfield County

Mostly sunny with a 20 percent chance of Showers. Highs in the lower to mid 70s.

Tonight 23 Sep Boulder And Jefferson Counties Below 6000 Feet/West Broomfield County

Slight chance of Thunderstorms early in the evening. Mostly cloudy with a chance of Showers. Lows 53 to 59. Chance of rain 30 percent.

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  • Temperature Real-Time

Interurban Park Temperature Statistics

September Temperature

Boulder Municipal Airport (3.7 miles)

  • Lowest 16 September, 2026

    51.8 °F

  • Average September

    71.2 °F

  • Highest 13 September, 2026

    96.8 °F

Climate (2021–2026)

Boulder Municipal Airport (3.7 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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