Longmont Weather Forecast

    • 44
    • 75

    Mostly Sunny

    • 46
    • 78

    Partly Sunny

    • 41
    • 77

    Mostly Cloudy

    • 35
    • 61

    Rain Likely

    • 32
    • 48

    Chance Rain

    • 35
    • 56

    Chance Rain

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

Mostly sunny. Highs in the lower to mid 70s.

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

Partly cloudy. Lows in the mid to upper 40s.

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Longmont Temperature Statistics

March Temperature

Vance Brand Airport (3.1 miles)

  • Lowest 20 March, 2025

    17.1 °F

  • Average March

    47.1 °F

  • Highest 10 March, 2025

    73 °F

Climate (2020–Present)

Vance Brand Airport (3.1 miles)

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  • Average Low 2020–2025

    37.5 °F

  • Average 2020–2025

    52.3 °F

  • Average High 2020–2025

    67.8 °F
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