Altona Weather Forecast

    • 42
    • 70

    Increasing Clouds

    • 34
    • 68

    Partly Sunny

    • 42
    • 55

    Partly Sunny

    • 46
    • 66

    Breezy

    • 45
    • 69

    Partly Sunny

    • 46
    • 71

    Breezy

Today 9 Mar Boulder And Jefferson Counties Below 6000 Feet/West Broomfield County

Partly cloudy. Highs near 70. Southwest Winds 10 to 20 Mph. Gusts up to 30 Mph in the afternoon.

Tonight 9 Mar Boulder And Jefferson Counties Below 6000 Feet/West Broomfield County

Partly cloudy. Lows 36 to 42. West Winds 10 to 15 Mph with Gusts up to 25 Mph in the Evening, becoming light.

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Altona Temperature Statistics

March Temperature

Vance Brand Airport (6.2 miles)

  • Lowest 7 March, 2026

    19 °F

  • Average March

    43.2 °F

  • Highest 2 March, 2026

    71.4 °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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