Jamestown Weather Forecast

    • 54
    • 74

    Mostly Cloudy

    • 50
    • 71

    Partly Sunny

    • 49
    • 71

    Mostly Sunny

    • 53
    • 71

    Mostly Sunny

    • 50
    • 71

    Partly Sunny

    • 45
    • 62

    Chance Rain Showers

Today 6 Oct Larimer and Boulder Counties Between 6000 and 9000 Feet

Partly cloudy in the Morning, then mostly cloudy with a slight chance of Showers in the afternoon. Highs 72 to 82. Chance of rain 20 percent.

Tonight 6 Oct Larimer and Boulder Counties Between 6000 and 9000 Feet

Partly cloudy. Lows 46 to 56.

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Jamestown Temperature Statistics

October Temperature

Boulder Municipal Airport (9.9 miles)

  • Lowest 2 October, 2026

    46.4 °F

  • Average October

    64.2 °F

  • Highest 3 October, 2026

    86 °F

Climate (2021–2026)

Boulder Municipal Airport (9.9 miles)

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  • Average Low 2021–2026

    41.4 °F

  • Average 2021–2026

    53.7 °F

  • Average High 2021–2026

    66.4 °F
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