Jamestown Weather Forecast

    • 54
    • 76

    Chance Thunderstorms

    • 51
    • 68

    Rain Showers

    • 55
    • 77

    Chance Thunderstorms

    • 52
    • 79

    Mostly Sunny

    • 50
    • 78

    Mostly Sunny

    • 51
    • 75

    Mostly Sunny

Today 24 Jun Larimer and Boulder Counties Between 6000 and 9000 Feet

Partly cloudy. Areas of smoke through the day. Chance of Thunderstorms in the afternoon. Some Thunderstorms may be severe with damaging Winds and large hail. Highs 74 to 82. Chance of precipitation 40 percent.

Tonight 24 Jun Larimer and Boulder Counties Between 6000 and 9000 Feet

Partly cloudy. Slight chance of Showers after midnight. Areas of smoke through the night. Lows 45 to 55. Chance of rain 20 percent.

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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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