Altona Weather Forecast

    • 40
    • 65

    Increasing Clouds

    • 33
    • 67

    Mostly Cloudy

    • 31
    • 51

    Mostly Cloudy

    • 34
    • 59

    Chance Rain

    • 29
    • 54

    Chance Rain

    • 28
    • 52

    Chance Rain

    • 28
    • 54

    Partly Sunny

Today 8 Feb Boulder And Jefferson Counties Below 6000 Feet/West Broomfield County

Mostly cloudy. Highs in the mid to upper 60s. West Winds 10 to 15 Mph with Gusts up to 20 Mph.

Tonight 8 Feb Boulder And Jefferson Counties Below 6000 Feet/West Broomfield County

Partly cloudy. Lows 33 to 41.

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Altona Temperature Statistics

February Temperature

Vance Brand Airport (6.2 miles)

  • Lowest 1 February, 2026

    19.8 °F

  • Average February

    39.7 °F

  • Highest 5 February, 2026

    66.7 °F

Climate (2021–Present)

Vance Brand Airport (6.2 miles)

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  • Average Low 2021–2026

    38.2 °F

  • Average 2021–2026

    53 °F

  • Average High 2021–2026

    68.3 °F
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