Grant Ranch Weather Forecast

    • 22
    • 49

    Mostly Sunny

    • 35
    • 59

    Mostly Sunny

    • 31
    • 57

    Mostly Sunny

    • 34
    • 55

    Partly Sunny

    • 42
    • 66

    Mostly Sunny

    • 41
    • 74

    Mostly Sunny

    • 41
    • 65

    Partly Sunny

Today 28 Oct Boulder And Jefferson Counties Below 6000 Feet/West Broomfield County

Mostly sunny. Highs in the upper 40s. North Winds 10 to 15 Mph with Gusts up to 20 Mph in the afternoon.

Tonight 28 Oct Boulder And Jefferson Counties Below 6000 Feet/West Broomfield County

Clear. Lows in the lower to mid 20s.

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Grant Ranch Temperature Statistics

October Temperature

Denver - Centennial Airport (13 miles)

  • Lowest 19 October, 2025

    34 °F

  • Average October

    57.1 °F

  • Highest 3 October, 2025

    84.9 °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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