Jamestown Weather Forecast

    • 51
    • 66

    Thunderstorms Likely

    • 56
    • 76

    Chance Thunderstorms

    • 52
    • 80

    Mostly Sunny

    • 51
    • 78

    Mostly Sunny

    • 50
    • 74

    Mostly Sunny

    • 52
    • 76

    Mostly Sunny

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

Showers likely and slight chance of Thunderstorms in the Morning, then Thunderstorms likely in the afternoon. Highs 65 to 73. Chance of rain 70 percent.

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

Mostly cloudy with a 50 percent chance of Showers. Areas of smoke. Lows 47 to 57.

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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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