Alta Vista Area Weather Forecast

    • 36
    • 55

    Decreasing Clouds

    • 25
    • 61

    Mostly Sunny

    • 25
    • 48

    Partly Sunny

    • 30
    • 50

    Mostly Sunny

    • 26
    • 58

    Mostly Sunny

    • 28
    • 52

    Mostly Sunny

Today 14 Jan Boulder And Jefferson Counties Below 6000 Feet/West Broomfield County

Mostly cloudy in the morning then clearing. Highs in the mid 50s.

Tonight 14 Jan Boulder And Jefferson Counties Below 6000 Feet/West Broomfield County

Mostly clear. Lows 32 to 38. West Winds 10 to 15 Mph after midnight.

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Alta Vista Area Temperature Statistics

January Temperature

Broomfield / Jeffco (6.2 miles)

  • Lowest 9 January, 2026

    17.6 °F

  • Average January

    42.9 °F

  • Highest 4 January, 2026

    69.8 °F

Climate (2021–Present)

Broomfield / Jeffco (6.2 miles)

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  • Average Low 2021–2026

    41.6 °F

  • Average 2021–2026

    50.9 °F

  • Average High 2021–2026

    65.1 °F
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