Jamestown Weather Forecast

    • 58
    • 82

    Chance Thunderstorms

    • 55
    • 80

    Rain Showers Likely

    • 54
    • 78

    Rain Showers Likely

    • 56
    • 77

    Chance Thunderstorms

    • 60
    • 85

    Mostly Sunny

    • 61
    • 85

    Mostly Sunny

Today 7 Jul Larimer and Boulder Counties Between 6000 and 9000 Feet

Partly cloudy in the Morning, then mostly cloudy with a chance of Showers and slight chance of Thunderstorms. Some dry in the afternoon. Patchy smoke through the day. Highs 77 to 87. Southwest Winds 10 to 15 Mph with Gusts up to 20 Mph in the afternoon. Chance of rain 50 percent.

Tonight 7 Jul Larimer and Boulder Counties Between 6000 and 9000 Feet

Mostly cloudy with a chance of Showers and slight chance of Thunderstorms in the Evening, then partly cloudy after midnight. Lows 51 to 61. Chance of rain 40 percent.

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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

    75.3 °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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