Jamestown Weather Forecast

    • 32
    • 46

    Breezy

    • 37
    • 58

    Mostly Sunny

    • 40
    • 59

    Partly Sunny

    • 36
    • 53

    Chance Rain Showers

    • 38
    • 54

    Mostly Sunny

    • 39
    • 59

    Mostly Cloudy

Today 20 Oct Larimer and Boulder Counties Between 6000 and 9000 Feet

Partly cloudy. Chance of snow Showers early in the morning. Very windy. Highs 40 to 50. West Winds 25 to 35 Mph with Gusts up to 55 Mph. Chance of snow 30 percent.

Tonight 20 Oct Larimer and Boulder Counties Between 6000 and 9000 Feet

Clear. Lows 25 to 35. West Winds 15 to 25 Mph with Gusts up to 35 Mph.

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Jamestown Temperature Statistics

October Temperature

Boulder Municipal Airport (9.9 miles)

  • Lowest 18 October, 2025

    35.6 °F
  • Average October

    57.5 °F
  • Highest 3 October, 2025

    86 °F

Climate (2020–Present)

Boulder Municipal Airport (9.9 miles)

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  • Average Low 2020–2025

    40.4 °F
  • Average 2020–2025

    52.6 °F
  • Average High 2020–2025

    64.9 °F
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