Boulder Weather Forecast

    • 39
    • 63

    Mostly Sunny

    • 39
    • 68

    Partly Sunny

    • 41
    • 70

    Mostly Sunny

    • 41
    • 69

    Mostly Cloudy

    • 41
    • 66

    Partly Sunny

    • 43
    • 72

    Chance Rain Showers

Today 20 Oct Boulder And Jefferson Counties Below 6000 Feet/West Broomfield County

Mostly sunny. Highs in the lower to mid 60s.

Tonight 20 Oct Boulder And Jefferson Counties Below 6000 Feet/West Broomfield County

Partly cloudy. Lows in the mid 30s to lower 40s.

Graph Plots Open in Graphs
  • Temperature Forecast NOAA

  • Temperature Real-Time

Boulder Temperature Statistics

October Temperature

Boulder Municipal Airport (2.5 miles)

  • Lowest 15 October, 2021

    32 °F
  • Average October

    55.4 °F
  • Highest 5 October, 2021

    82.4 °F

Climate (2010–Present)

Boulder Municipal Airport (2.5 miles)

Take a look at our website widgetsAvailable free! Find Out More
  • Average Low 2010–Present

    40.9 °F
  • Average 2010–Present

    52.7 °F
  • Average High 2010–Present

    64.9 °F
Get an account to remove ads