Jamestown Weather Forecast

    • 50
    • 78

    Partly Sunny

    • 49
    • 74

    Mostly Sunny

    • 46
    • 72

    Mostly Sunny

    • 53
    • 81

    Mostly Sunny

    • 50
    • 75

    Chance Thunderstorms

    • 45
    • 61

    Rain Showers Likely

    • 45
    • 62

    Chance Thunderstorms

Today 9 Jun Larimer and Boulder Counties Between 6000 and 9000 Feet

Partly cloudy. Highs 72 to 82. Southwest Winds 15 to 25 Mph with Gusts up to 35 Mph.

Tonight 9 Jun Larimer and Boulder Counties Between 6000 and 9000 Feet

Partly cloudy. Slight chance of Showers after midnight. Lows 43 to 53. West Winds 20 to 25 Mph with Gusts up to 35 Mph, Diminishing to 10 to 15 Mph with Gusts up to 25 Mph after midnight. Chance of rain 10 percent.

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Jamestown Temperature Statistics

June Temperature

Boulder Municipal Airport (9.9 miles)

  • Lowest 2 June, 2026

    51.8 °F

  • Average June

    71.7 °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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