Altona Weather Forecast

    • 52
    • 73

    Slight Chance Rain Showers

    • 53
    • 74

    Increasing Clouds

    • 54
    • 72

    Mostly Cloudy

    • 47
    • 76

    Partly Sunny

    • 41
    • 55

    Chance Rain Showers

    • 41
    • 56

    Slight Chance Rain Showers

    • 39
    • 57

    Slight Chance Rain Showers

Today 20 Oct Boulder And Jefferson Counties Below 6000 Feet/West Broomfield County

Partly cloudy. Highs 57 to 63.

Tonight 20 Oct Boulder And Jefferson Counties Below 6000 Feet/West Broomfield County

Mostly clear. Lows 42 to 50.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Altona Temperature Statistics

October Temperature

Vance Brand Airport (6.2 miles)

  • Lowest 17 October, 2026

    30.6 °F

  • Average October

    59.3 °F

  • Highest 5 October, 2026

    89.2 °F

Climate (2021–2026)

Vance Brand Airport (6.2 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2021–2026

    38.6 °F

  • Average 2021–2026

    53.5 °F

  • Average High 2021–2026

    68.8 °F
Get WillyWeather+ to remove ads