Boulder Weather Forecast

    • 28
    • 54

    Partly Sunny

    • 23
    • 51

    Mostly Cloudy

    • 25
    • 42

    Mostly Sunny

    • 30
    • 53

    Partly Sunny

    • 28
    • 53

    Partly Sunny

    • 29
    • 51

    Mostly Sunny

Today 11 Dec Boulder And Jefferson Counties Below 6000 Feet/West Broomfield County

Mostly cloudy in the morning then clearing. Highs in the lower to mid 50s. West Winds 10 to 20 Mph with Gusts to around 30 Mph in the afternoon.

Tonight 11 Dec Boulder And Jefferson Counties Below 6000 Feet/West Broomfield County

Mostly clear. Lows 25 to 31. West Winds 10 to 15 Mph with Gusts to around 25 Mph after midnight.

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Boulder Temperature Statistics

December Temperature

Boulder Municipal Airport (2.5 miles)

  • Lowest 5 December, 2018

    17.6 °F
  • Average December

    30.2 °F
  • Highest 1 December, 2018

    46.4 °F

Climate (2010–Present)

Boulder Municipal Airport (2.5 miles)

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  • Average Low 2010–Present

    40.7 °F
  • Average 2010–Present

    52.9 °F
  • Average High 2010–Present

    65.2 °F
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