Jamestown Weather Forecast

    • 35
    • 51

    Increasing Clouds

    • 31
    • 51

    Partly Sunny

    • 34
    • 53

    Mostly Sunny

    • 39
    • 58

    Sunny

    • 39
    • 61

    Mostly Sunny

    • 37
    • 59

    Partly Sunny

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

Mostly sunny. Highs 48 to 56.

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

Partly cloudy in the Evening, then becoming mostly cloudy. Lows 27 to 37.

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Jamestown Temperature Statistics

November Temperature

Boulder Municipal Airport (9.9 miles)

  • Lowest 3 November, 2026

    39.2 °F
  • Average November

    48.5 °F
  • Highest 3 November, 2026

    57.2 °F

Climate (2021–2026)

Boulder Municipal Airport (9.9 miles)

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  • Average Low 2021–2026

    41.5 °F
  • Average 2021–2026

    53.9 °F
  • Average High 2021–2026

    66.5 °F
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