Jamestown Weather Forecast

    • 55
    • 76

    Mostly Sunny

    • 52
    • 74

    Partly Sunny

    • 50
    • 71

    Mostly Sunny

    • 49
    • 69

    Mostly Sunny

    • 53
    • 70

    Mostly Sunny

    • 52
    • 71

    Partly Sunny

Today 5 Oct Larimer and Boulder Counties Between 6000 and 9000 Feet

Mostly sunny. Highs 72 to 82. West Winds 10 to 15 Mph in the Morning, becoming light.

Tonight 5 Oct Larimer and Boulder Counties Between 6000 and 9000 Feet

Partly cloudy. Lows 48 to 58. West Winds 10 to 15 Mph after midnight.

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Jamestown Temperature Statistics

October Temperature

Boulder Municipal Airport (9.9 miles)

  • Lowest 2 October, 2026

    46.4 °F

  • Average October

    62.7 °F

  • Highest 2 October, 2026

    84.2 °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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