Jamestown Weather Forecast

    • 42
    • 57

    Partly Sunny

    • 39
    • 56

    Mostly Cloudy

    • 42
    • 52

    Mostly Cloudy

    • 38
    • 48

    Rain/Snow

    • 35
    • 50

    Partly Sunny

    • 32
    • 48

    Partly Sunny

Today 30 Oct Larimer and Boulder Counties Between 6000 and 9000 Feet

Mostly cloudy. Highs 55 to 61.

Tonight 30 Oct Larimer and Boulder Counties Between 6000 and 9000 Feet

Partly cloudy. Lows 34 to 44.

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Jamestown Temperature Statistics

October Temperature

Boulder Municipal Airport (9.9 miles)

  • Lowest 16 October, 2026

    35.6 °F

  • Average October

    59.9 °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

    41.5 °F

  • Average 2021–2026

    53.8 °F

  • Average High 2021–2026

    66.5 °F
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