Longmont Weather Forecast

    • 37
    • 69

    Mostly Sunny

    • 36
    • 69

    Partly Sunny

    • 35
    • 64

    Mostly Sunny

    • 37
    • 66

    Mostly Sunny

    • 37
    • 66

    Mostly Sunny

    • 38
    • 64

    Partly Sunny

    • 37
    • 63

    Partly Sunny

Today 9 Nov Boulder And Jefferson Counties Below 6000 Feet/West Broomfield County

Partly cloudy. Highs in the lower to mid 60s.

Tonight 9 Nov Boulder And Jefferson Counties Below 6000 Feet/West Broomfield County

Mostly clear. Lows 35 to 41.

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Longmont Temperature Statistics

November Temperature

Vance Brand Airport (3.1 miles)

  • Lowest 6 November, 2026

    30 °F

  • Average November

    46.2 °F

  • Highest 7 November, 2026

    64.4 °F

Climate (2021–2026)

Vance Brand Airport (3.1 miles)

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  • Average Low 2021–2026

    38.6 °F

  • Average 2021–2026

    53.5 °F

  • Average High 2021–2026

    68.8 °F
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