Jamestown Weather Forecast

    • 52
    • 72

    Increasing Clouds

    • 50
    • 68

    Mostly Cloudy

    • 46
    • 68

    Mostly Sunny

    • 42
    • 59

    Rain Showers Likely

    • 40
    • 52

    Chance Rain Showers

    • 36
    • 54

    Chance Rain Showers

Today 10 Oct Larimer and Boulder Counties Between 6000 and 9000 Feet

Partly cloudy. Highs 68 to 78. Southwest Winds 10 to 15 Mph with Gusts up to 25 Mph.

Tonight 10 Oct Larimer and Boulder Counties Between 6000 and 9000 Feet

Mostly cloudy. Lows 46 to 56.

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  • Temperature Real-Time

Jamestown Temperature Statistics

October Temperature

Boulder Municipal Airport (9.9 miles)

  • Lowest 2 October, 2026

    46.4 °F

  • Average October

    67.9 °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

    41.4 °F

  • Average 2021–2026

    53.8 °F

  • Average High 2021–2026

    66.4 °F
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