Longmont Weather Forecast

    • 22
    • 47

    Mostly Cloudy

    • 20
    • 37

    Mostly Cloudy

    • 20
    • 37

    Chance Snow

    • 12
    • 29

    Snow Likely

    • 17
    • 41

    Mostly Sunny

    • 23
    • 48

    Mostly Sunny

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

Partly cloudy late in the Morning, then mostly cloudy with a slight chance of rain Showers early in the afternoon. Mostly cloudy with a slight chance of rain and snow Showers late in the afternoon. Highs in the mid 40s to lower 50s. Chance of precipitation 20 percent.

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

Mostly cloudy with a 20 percent chance of snow Showers. Lows in the lower 20s.

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Longmont Temperature Statistics

January Temperature

Vance Brand Airport (3.1 miles)

  • Lowest 11 January, 2021

    5.4 °F
  • Average January

    34.6 °F
  • Highest 13 January, 2021

    63.9 °F

Climate (2011–Present)

Vance Brand Airport (3.1 miles)

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  • Average Low 2011–Present

    36.9 °F
  • Average 2011–Present

    51.6 °F
  • Average High 2011–Present

    67.4 °F
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