Jamestown Weather Forecast

    • 56
    • 76

    Chance Thunderstorms

    • 60
    • 83

    Mostly Sunny

    • 60
    • 85

    Mostly Sunny

    • 60
    • 87

    Mostly Sunny

    • 60
    • 86

    Mostly Sunny

    • 61
    • 85

    Mostly Sunny

Today 10 Jul Larimer and Boulder Counties Between 6000 and 9000 Feet

Partly cloudy. Slight chance of Thunderstorms early in the afternoon. Chance of Thunderstorms late in the afternoon. Highs 74 to 84. Chance of precipitation 40 percent.

Tonight 10 Jul Larimer and Boulder Counties Between 6000 and 9000 Feet

Mostly clear. Lows 48 to 58.

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  • Temperature Real-Time

Jamestown Temperature Statistics

July Temperature

Boulder Municipal Airport (9.9 miles)

  • Lowest 1 July, 2026

    55.4 °F

  • Average July

    76.1 °F

  • Highest 5 July, 2026

    96.8 °F

Climate (2021–2026)

Boulder Municipal Airport (9.9 miles)

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  • Average Low 2021–2026

    41.2 °F

  • Average 2021–2026

    53.6 °F

  • Average High 2021–2026

    66.2 °F
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