Jamestown Weather Forecast

    • 63
    • 86

    Slight Chance Thunderstorms

    • 60
    • 80

    Rain Showers Likely

    • 59
    • 79

    Rain Showers

    • 59
    • 76

    Rain Showers

    • 60
    • 77

    Rain Showers

    • 62
    • 81

    Chance Thunderstorms

Today 20 Jul Larimer and Boulder Counties Between 6000 and 9000 Feet

Partly cloudy. Chance of Thunderstorms in the afternoon. Highs 83 to 93. Chance of precipitation 30 percent.

Tonight 20 Jul Larimer and Boulder Counties Between 6000 and 9000 Feet

Partly cloudy. Slight chance of Thunderstorms in the evening. Lows 53 to 63. Chance of precipitation 20 percent.

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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

    77.2 °F

  • Highest 13 July, 2026

    98.6 °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

    66.3 °F
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