Union Square Weather Forecast

    • 39
    • 65

    Increasing Clouds

    • 37
    • 63

    Partly Sunny

    • 36
    • 63

    Mostly Sunny

    • 34
    • 65

    Partly Sunny

    • 31
    • 50

    Chance Rain/Snow

    • 31
    • 54

    Chance Rain/Snow

    • 29
    • 50

    Chance Rain

Today 6 Feb Boulder And Jefferson Counties Below 6000 Feet/West Broomfield County

Mostly sunny. Highs in the lower to mid 60s.

Tonight 6 Feb Boulder And Jefferson Counties Below 6000 Feet/West Broomfield County

Partly cloudy. Lows 33 to 39.

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Union Square Temperature Statistics

February Temperature

Broomfield / Jeffco (12.4 miles)

  • Lowest 3 February, 2026

    30.2 °F

  • Average February

    44.2 °F

  • Highest 1 February, 2026

    64.4 °F

Climate (2021–Present)

Broomfield / Jeffco (12.4 miles)

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  • Average Low 2021–2026

    41.5 °F

  • Average 2021–2026

    50.9 °F

  • Average High 2021–2026

    65.2 °F
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