Jamestown Weather Forecast

    • 60
    • 81

    Thunderstorms Likely

    • 59
    • 75

    Thunderstorms Likely

    • 62
    • 80

    Chance Thunderstorms

    • 64
    • 84

    Chance Thunderstorms

    • 64
    • 84

    Chance Thunderstorms

    • 62
    • 84

    Thunderstorms Likely

Today 22 Jul Larimer and Boulder Counties Between 6000 and 9000 Feet

Partly cloudy in the Morning, then Showers with Thunderstorms likely in the afternoon. Highs 76 to 86.

Tonight 22 Jul Larimer and Boulder Counties Between 6000 and 9000 Feet

Mostly cloudy. Slight chance of Showers after midnight. Lows 53 to 63. Chance of rain 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

    78 °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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