Jamestown Weather Forecast

    • 55
    • 77

    Slight Chance Thunderstorms

    • 53
    • 74

    Chance Thunderstorms

    • 53
    • 75

    Chance Thunderstorms

    • 54
    • 73

    Rain Showers Likely

    • 56
    • 77

    Chance Thunderstorms

    • 55
    • 79

    Mostly Sunny

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

Partly cloudy. Slight chance of Thunderstorms in the afternoon. Highs 73 to 83. Chance of precipitation 20 percent.

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

Partly cloudy. Lows 43 to 53.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Jamestown Temperature Statistics

June Temperature

Boulder Municipal Airport (9.9 miles)

  • Lowest 14 June, 2026

    48.2 °F

  • Average June

    70.8 °F

  • Highest 6 June, 2026

    95 °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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