Greenstone Weather Forecast

    • 32
    • 60

    Becoming Sunny

    • 44
    • 74

    Mostly Sunny

    • 33
    • 63

    Mostly Sunny

    • 39
    • 65

    Mostly Sunny

    • 41
    • 69

    Partly Sunny

    • 39
    • 68

    Mostly Sunny

Today 18 Oct Larimer County Below 6000 Feet/Northwest Weld County

Partly cloudy. Slight chance of Showers late in the morning. Windy. Highs 50 to 60. Northwest Winds 20 to 30 Mph with Gusts up to 40 Mph. Chance of rain 10 percent.

Tonight 18 Oct Larimer County Below 6000 Feet/Northwest Weld County

Clear. Lows near 30.

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Greenstone Temperature Statistics

October Temperature

Fort Collins/Loveland - Northern Colorado Regional Airport (2.5 miles)

  • Lowest 8 October, 2025

    37.9 °F

  • Average October

    56.8 °F

  • Highest 3 October, 2025

    87.1 °F

Climate (2020–Present)

Fort Collins/Loveland - Northern Colorado Regional Airport (2.5 miles)

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  • Average Low 2020–2025

    37.7 °F

  • Average 2020–2025

    50.8 °F

  • Average High 2020–2025

    64.9 °F
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