Jamestown Weather Forecast

    • 65
    • 85

    Chance Thunderstorms

    • 66
    • 86

    Chance Thunderstorms

    • 63
    • 83

    Rain Showers

    • 61
    • 80

    Rain Showers

    • 61
    • 80

    Rain Showers

    • 61
    • 81

    Thunderstorms Likely

Today 25 Jul Larimer and Boulder Counties Between 6000 and 9000 Feet

Mostly sunny in the Morning, then mostly cloudy with a chance of Thunderstorms in the afternoon. Highs 82 to 92. Chance of precipitation 50 percent.

Tonight 25 Jul Larimer and Boulder Counties Between 6000 and 9000 Feet

Partly cloudy. Lows 56 to 66.

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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

    78.4 °F

  • Highest 20 July, 2026

    100.4 °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

    66.3 °F
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