Jamestown Weather Forecast

    • 55
    • 73

    Mostly Sunny

    • 52
    • 71

    Partly Sunny

    • 50
    • 67

    Mostly Cloudy

    • 47
    • 67

    Chance Rain Showers

    • 43
    • 59

    Rain Showers Likely

    • 41
    • 54

    Chance Rain/Snow

Today 9 Oct Larimer and Boulder Counties Between 6000 and 9000 Feet

Sunny in the Morning, then partly cloudy with a slight chance of rain Showers in the afternoon. Highs 70 to 80. Southwest Winds 10 to 15 Mph with Gusts up to 20 Mph in the afternoon. Chance of rain 20 percent.

Tonight 9 Oct Larimer and Boulder Counties Between 6000 and 9000 Feet

Mostly clear. Slight chance of Showers in the evening. Lows 46 to 56. West Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of rain 20 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Jamestown Temperature Statistics

October Temperature

Boulder Municipal Airport (9.9 miles)

  • Lowest 2 October, 2026

    46.4 °F

  • Average October

    67.4 °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

    41.4 °F

  • Average 2021–2026

    53.8 °F

  • Average High 2021–2026

    66.4 °F
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