Four Mile Creek Weather Forecast

    • 57
    • 85

    Becoming Sunny

    • 54
    • 82

    Mostly Sunny

    • 59
    • 90

    Mostly Sunny

    • 56
    • 90

    Partly Sunny

    • 56
    • 82

    Slight Chance Thunderstorms

    • 53
    • 83

    Chance Thunderstorms

Today 8 Sep Boulder And Jefferson Counties Below 6000 Feet/West Broomfield County

Partly cloudy. Slight chance of Thunderstorms early in the afternoon. Chance of Thunderstorms late in the afternoon. Highs in the 80s. Chance of precipitation 30 percent.

Tonight 8 Sep Boulder And Jefferson Counties Below 6000 Feet/West Broomfield County

Mostly clear. Slight chance of Thunderstorms in the evening. Lows 53 to 61. Chance of precipitation 10 percent.

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 3 September, 2026

    59 °F

  • Average September

    76.2 °F

  • Highest 4 September, 2026

    95 °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

    41.3 °F

  • Average 2021–2026

    53.7 °F

  • Average High 2021–2026

    66.4 °F
Get WillyWeather+ to remove ads