Altona Weather Forecast

    • 15
    • 36

    Chance Snow

    • 15
    • 31

    Snow Likely

    • 18
    • 43

    Mostly Sunny

    • 26
    • 47

    Partly Sunny

    • 35
    • 60

    Partly Sunny

    • 35
    • 61

    Chance Rain/Snow

Today 19 Feb Boulder And Jefferson Counties Below 6000 Feet/West Broomfield County

Partly cloudy. Highs in the mid 30s to lower 40s. Northwest Winds 10 to 20 Mph.

Tonight 19 Feb Boulder And Jefferson Counties Below 6000 Feet/West Broomfield County

Partly cloudy. Lows 12 to 16.

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Altona Temperature Statistics

February Temperature

Vance Brand Airport (6.2 miles)

  • Lowest 11 February, 2026

    19.6 °F

  • Average February

    42.4 °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

    38.4 °F

  • Average 2021–2026

    53.2 °F

  • Average High 2021–2026

    68.6 °F
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