Jamestown Weather Forecast

    • 40
    • 55

    Increasing Clouds

    • 41
    • 58

    Mostly Cloudy

    • 40
    • 55

    Mostly Cloudy

    • 38
    • 53

    Mostly Cloudy

    • 35
    • 42

    Rain/Snow Likely

    • 35
    • 45

    Slight Chance Snow Showers

Today 29 Oct Larimer and Boulder Counties Between 6000 and 9000 Feet

Partly cloudy. Highs 54 to 60.

Tonight 29 Oct Larimer and Boulder Counties Between 6000 and 9000 Feet

Partly cloudy in the Evening, then becoming mostly cloudy. Lows 32 to 42.

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  • Temperature Real-Time

Jamestown Temperature Statistics

October Temperature

Boulder Municipal Airport (9.9 miles)

  • Lowest 16 October, 2026

    35.6 °F

  • Average October

    60.4 °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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