Altona Weather Forecast

    • 28
    • 47

    Mostly Sunny

    • 38
    • 62

    Mostly Cloudy

    • 43
    • 64

    Chance Rain

    • 33
    • 60

    Chance Rain/Snow

    • 36
    • 57

    Mostly Sunny

    • 36
    • 61

    Mostly Sunny

Today 22 Feb Boulder And Jefferson Counties Below 6000 Feet/West Broomfield County

Mostly sunny. Highs in the mid 40s to lower 50s.

Tonight 22 Feb Boulder And Jefferson Counties Below 6000 Feet/West Broomfield County

Mostly clear. Highs in the mid 40s to lower 50s.

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Altona Temperature Statistics

February Temperature

Vance Brand Airport (6.2 miles)

  • Lowest 19 February, 2026

    15.1 °F

  • Average February

    41.6 °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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