Four Mile Creek Weather Forecast

    • 52
    • 82

    Partly Sunny

    • 55
    • 81

    Chance Rain Showers

    • 53
    • 74

    Chance Rain Showers

    • 49
    • 66

    Rain Showers Likely

    • 49
    • 71

    Chance Rain Showers

    • 48
    • 72

    Mostly Sunny

    • 50
    • 78

    Mostly Sunny

Today 26 Sep Boulder And Jefferson Counties Below 6000 Feet/West Broomfield County

Mostly sunny. Highs in the lower to mid 80s.

Tonight 26 Sep Boulder And Jefferson Counties Below 6000 Feet/West Broomfield County

Partly cloudy. Lows in the lower to mid 50s.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Four Mile Creek Temperature Statistics

September Temperature

Boulder Municipal Airport (1.2 miles)

  • Lowest 22 September, 2026

    50 °F

  • Average September

    70.6 °F

  • Highest 13 September, 2026

    96.8 °F

Climate (2021–2026)

Boulder Municipal Airport (1.2 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2021–2026

    41.4 °F

  • Average 2021–2026

    53.7 °F

  • Average High 2021–2026

    66.4 °F
Get WillyWeather+ to remove ads