Jamestown Weather Forecast

    • 37
    • 58

    Decreasing Clouds

    • 41
    • 57

    Partly Sunny

    • 41
    • 58

    Mostly Cloudy

    • 40
    • 54

    Mostly Cloudy

    • 38
    • 50

    Rain/Snow Likely

    • 34
    • 43

    Chance Rain/Snow

Today 28 Oct Larimer and Boulder Counties Between 6000 and 9000 Feet

Partly cloudy. Highs 53 to 63.

Tonight 28 Oct Larimer and Boulder Counties Between 6000 and 9000 Feet

Partly cloudy. Lows 30 to 40.

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Jamestown Temperature Statistics

October Temperature

Boulder Municipal Airport (9.9 miles)

  • Lowest 16 October, 2026

    35.6 °F

  • Average October

    61.1 °F

  • Highest 5 October, 2026

    91.4 °F

Climate (2021–2026)

Boulder Municipal Airport (9.9 miles)

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  • Average Low 2021–2026

    41.5 °F

  • Average 2021–2026

    53.8 °F

  • Average High 2021–2026

    66.5 °F
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