Jamestown Weather Forecast

    • 54
    • 78

    Chance Rain Showers

    • 57
    • 80

    Patchy Smoke

    • 59
    • 82

    Partly Sunny

    • 58
    • 80

    Rain Showers Likely

    • 57
    • 80

    Rain Showers Likely

    • 57
    • 81

    Chance Thunderstorms

Today 4 Jul Larimer and Boulder Counties Between 6000 and 9000 Feet

Mostly sunny in the Morning, then mostly cloudy with a chance of Showers and slight chance of Thunderstorms. Some dry in the afternoon. Patchy smoke early in the afternoon. Highs 73 to 83. Chance of rain 30 percent.

Tonight 4 Jul Larimer and Boulder Counties Between 6000 and 9000 Feet

Mostly clear. Lows 46 to 56.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Jamestown Temperature Statistics

July Temperature

Boulder Municipal Airport (9.9 miles)

  • Lowest 1 July, 2026

    55.4 °F

  • Average July

    74 °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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