Jamestown Weather Forecast

    • 36
    • 54

    Rain Showers

    • 34
    • 38

    Rain/Snow

    • 30
    • 44

    Rain/Snow

    • 35
    • 50

    Mostly Sunny

    • 41
    • 64

    Mostly Sunny

    • 42
    • 62

    Mostly Sunny

Today 13 Oct Larimer and Boulder Counties Between 6000 and 9000 Feet

Patchy fog in the morning. Mostly cloudy with a chance of rain Showers. Areas of drizzle in the morning. Slight chance of Thunderstorms late in the afternoon. Highs in the 50s. Chance of rain 50 percent.

Tonight 13 Oct Larimer and Boulder Counties Between 6000 and 9000 Feet

Rain Showers. Slight chance of Thunderstorms in the Evening, then a slight chance of snow Showers after midnight. No snow accumulation. Lows 33 to 39.

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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

    66.5 °F
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