Jamestown Weather Forecast

    • 42
    • 68

    Mostly Sunny

    • 39
    • 57

    Rain Showers

    • 36
    • 43

    Rain/Snow

    • 32
    • 47

    Chance Rain/Snow

    • 36
    • 51

    Mostly Sunny

    • 42
    • 63

    Mostly Sunny

Today 12 Oct Larimer and Boulder Counties Between 6000 and 9000 Feet

Mostly sunny. Highs 62 to 72. Southwest Winds 10 to 15 Mph.

Tonight 12 Oct Larimer and Boulder Counties Between 6000 and 9000 Feet

Partly cloudy. Slight chance of rain Showers after midnight. Lows 36 to 46. Chance of rain 20 percent.

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  • Temperature Real-Time

Jamestown Temperature Statistics

October Temperature

Boulder Municipal Airport (9.9 miles)

  • Lowest 2 October, 2026

    46.4 °F

  • Average October

    68.6 °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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