Grant Ranch Weather Forecast

    • 37
    • 65

    Mostly Sunny

    • 34
    • 67

    Mostly Sunny

    • 35
    • 65

    Partly Sunny

    • 32
    • 65

    Chance Rain

    • 35
    • 51

    Partly Sunny

    • 41
    • 67

    Partly Sunny

    • 33
    • 60

    Partly Sunny

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

Mostly cloudy in the morning then clearing. Highs 58 to 64.

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

Partly cloudy. Lows 33 to 41.

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Grant Ranch Temperature Statistics

December Temperature

Denver - Centennial Airport (13 miles)

  • Lowest 4 December, 2025

    10 °F

  • Average December

    38 °F

  • Highest 11 December, 2025

    64 °F

Climate (2020–Present)

Denver - Centennial Airport (13 miles)

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  • Average Low 2020–2025

    38.9 °F

  • Average 2020–2025

    51.8 °F

  • Average High 2020–2025

    64.9 °F
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