Altona Weather Forecast

    • 62
    • 87

    Mostly Sunny

    • 55
    • 94

    Mostly Sunny

    • 57
    • 87

    Mostly Sunny

    • 62
    • 92

    Mostly Sunny

    • 59
    • 92

    Slight Chance Thunderstorms

    • 58
    • 86

    Chance Thunderstorms

Today 16 Jun Boulder And Jefferson Counties Below 6000 Feet/West Broomfield County

Mostly sunny. Highs near 90. West Winds 10 to 15 Mph with Gusts up to 30 Mph in the afternoon.

Tonight 16 Jun Boulder And Jefferson Counties Below 6000 Feet/West Broomfield County

Mostly clear. Lows near 60. West Winds 10 to 15 Mph with Gusts up to 30 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Altona Temperature Statistics

June Temperature

Vance Brand Airport (6.2 miles)

  • Lowest 12 June, 2026

    43.9 °F

  • Average June

    68 °F

  • Highest 6 June, 2026

    93.7 °F

Climate (2021–Present)

Vance Brand Airport (6.2 miles)

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  • Average Low 2021–2026

    38.5 °F

  • Average 2021–2026

    53.4 °F

  • Average High 2021–2026

    68.9 °F
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