Jamestown Weather Forecast

    • 60
    • 83

    Increasing Clouds

    • 58
    • 81

    Rain Showers Likely

    • 56
    • 80

    Rain Showers Likely

    • 55
    • 77

    Rain Showers Likely

    • 57
    • 78

    Slight Chance Thunderstorms

    • 61
    • 85

    Mostly Sunny

Today 6 Jul Larimer and Boulder Counties Between 6000 and 9000 Feet

Mostly sunny in the Morning, then mostly cloudy with a slight chance of Showers early in the afternoon. Mostly cloudy with a slight chance of Thunderstorms late in the afternoon. Patchy smoke through the day. Highs 79 to 89. Chance of rain 20 percent.

Tonight 6 Jul Larimer and Boulder Counties Between 6000 and 9000 Feet

Patchy smoke in the evening. Partly cloudy. Lows 52 to 62.

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Jamestown Temperature Statistics

July Temperature

Boulder Municipal Airport (9.9 miles)

  • Lowest 1 July, 2026

    55.4 °F

  • Average July

    74.4 °F

  • Highest 1 July, 2026

    89.6 °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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