Jamestown Weather Forecast

    • 51
    • 71

    Chance Thunderstorms

    • 52
    • 80

    Mostly Sunny

    • 48
    • 78

    Mostly Sunny

    • 46
    • 72

    Sunny

    • 51
    • 76

    Mostly Sunny

    • 50
    • 73

    Chance Thunderstorms

    • 46
    • 63

    Rain Showers Likely

Today 8 Jun Larimer and Boulder Counties Between 6000 and 9000 Feet

Mostly cloudy with a 30 percent chance of Thunderstorms. Highs 70 to 76. South Winds 10 to 15 Mph with Gusts up to 20 Mph.

Tonight 8 Jun Larimer and Boulder Counties Between 6000 and 9000 Feet

Partly cloudy. Lows 45 to 53.

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Jamestown Temperature Statistics

June Temperature

Boulder Municipal Airport (9.9 miles)

  • Lowest 2 June, 2026

    51.8 °F

  • Average June

    70.8 °F

  • Highest 6 June, 2026

    95 °F

Climate (2021–Present)

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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