Jamestown Weather Forecast

    • 47
    • 83

    Mostly Sunny

    • 54
    • 77

    Increasing Clouds

    • 56
    • 76

    Partly Sunny

    • 54
    • 82

    Slight Chance Thunderstorms

    • 51
    • 76

    Chance Thunderstorms

    • 52
    • 72

    Thunderstorms Likely

    • 53
    • 74

    Slight Chance Thunderstorms

Today 17 Jun Larimer and Boulder Counties Between 6000 and 9000 Feet

Sunny. Highs 76 to 86. West Winds 15 to 25 Mph with Gusts up to 35 Mph.

Tonight 17 Jun Larimer and Boulder Counties Between 6000 and 9000 Feet

Mostly clear. Lows 40 to 50. Northwest Winds 10 to 15 Mph with Gusts up to 35 Mph in the Evening, becoming light.

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Jamestown Temperature Statistics

June Temperature

Boulder Municipal Airport (9.9 miles)

  • Lowest 14 June, 2026

    48.2 °F

  • Average June

    69.8 °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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