Altona Weather Forecast

    • 36
    • 56

    Mostly Cloudy

    • 34
    • 57

    Chance Rain

    • 31
    • 54

    Chance Rain

    • 32
    • 56

    Mostly Sunny

    • 36
    • 61

    Mostly Cloudy

    • 35
    • 62

    Chance Rain/Snow

    • 29
    • 54

    Chance Rain/Snow

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

Mostly cloudy. Highs in the mid 50s to lower 60s.

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

Mostly cloudy. Slight chance of rain in the evening. Lows 32 to 38. Chance of rain 20 percent.

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Altona Temperature Statistics

February Temperature

Vance Brand Airport (6.2 miles)

  • Lowest 1 February, 2026

    19.8 °F

  • Average February

    42.5 °F

  • Highest 9 February, 2026

    70.3 °F

Climate (2021–Present)

Vance Brand Airport (6.2 miles)

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  • Average Low 2021–2026

    38.3 °F

  • Average 2021–2026

    53.1 °F

  • Average High 2021–2026

    68.4 °F
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