Altona Weather Forecast

    • 34
    • 54

    Increasing Clouds

    • 32
    • 54

    Increasing Clouds

    • 36
    • 57

    Partly Sunny

    • 34
    • 56

    Partly Sunny

    • 34
    • 59

    Sunny

    • 42
    • 66

    Mostly Sunny

    • 41
    • 66

    Partly Sunny

Today 3 Nov Boulder And Jefferson Counties Below 6000 Feet/West Broomfield County

Partly cloudy. Lows near 40. Highs in the mid 60s.

Tonight 3 Nov Boulder And Jefferson Counties Below 6000 Feet/West Broomfield County

Mostly clear. Lows 29 to 35.

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Altona Temperature Statistics

November Temperature

Vance Brand Airport (6.2 miles)

  • Lowest 1 November, 2026

    40.5 °F
  • Average November

    47.9 °F
  • Highest 1 November, 2026

    55.6 °F

Climate (2021–2026)

Vance Brand Airport (6.2 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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