Altona Weather Forecast

    • 55
    • 81

    Chance Thunderstorms

    • 57
    • 83

    Mostly Cloudy

    • 59
    • 87

    Slight Chance Thunderstorms

    • 60
    • 89

    Partly Sunny

    • 61
    • 90

    Partly Sunny

    • 61
    • 89

    Partly Sunny

Today 2 Jun Boulder And Jefferson Counties Below 6000 Feet/West Broomfield County

Mostly cloudy. Areas of fog early in the morning. Slight chance of Thunderstorms early in the afternoon. Chance of Thunderstorms late in the afternoon. Highs 79 to 85. Southeast Winds 10 to 15 Mph with Gusts up to 20 Mph in the afternoon. Chance of precipitation 30 percent.

Tonight 2 Jun Boulder And Jefferson Counties Below 6000 Feet/West Broomfield County

Mostly cloudy with a slight chance of Thunderstorms in the Evening, then partly cloudy after midnight. Lows 49 to 55. Chance of precipitation 20 percent.

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Altona Temperature Statistics

June Temperature

Vance Brand Airport (6.2 miles)

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Climate (2021–Present)

Vance Brand Airport (6.2 miles)

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  • Average Low 2021–2026

    38.6 °F

  • Average 2021–2026

    53.5 °F

  • Average High 2021–2026

    68.9 °F
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