Jamestown Weather Forecast

    • 37
    • 50

    Sunny

    • 43
    • 67

    Mostly Sunny

    • 42
    • 64

    Partly Sunny

    • 42
    • 60

    Mostly Sunny

    • 44
    • 61

    Partly Sunny

    • 47
    • 62

    Partly Sunny

    • 46
    • 62

    Chance Rain Showers

Today 16 Oct Larimer and Boulder Counties Between 6000 and 9000 Feet

Mostly cloudy with a 40 percent chance of rain Showers. Lows 39 to 49. Highs 55 to 65.

Tonight 16 Oct Larimer and Boulder Counties Between 6000 and 9000 Feet

Clear. Lows 30 to 40.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Jamestown Temperature Statistics

October Temperature

Boulder Municipal Airport (9.9 miles)

  • Lowest 14 October, 2026

    42.8 °F

  • Average October

    65.9 °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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