Jamestown Weather Forecast

    • 53
    • 77

    Increasing Clouds

    • 54
    • 75

    Decreasing Clouds

    • 54
    • 81

    Chance Rain Showers

    • 51
    • 76

    Chance Rain Showers

    • 52
    • 73

    Chance Thunderstorms

    • 53
    • 71

    Slight Chance Thunderstorms

    • 54
    • 76

    Slight Chance Thunderstorms

Today 18 Jun Larimer and Boulder Counties Between 6000 and 9000 Feet

Mostly sunny. Highs 74 to 82. Northeast Winds 10 to 15 Mph with Gusts up to 20 Mph.

Tonight 18 Jun Larimer and Boulder Counties Between 6000 and 9000 Feet

Partly cloudy. Lows 45 to 55.

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  • Temperature Real-Time

Jamestown Temperature Statistics

June Temperature

Boulder Municipal Airport (9.9 miles)

  • Lowest 14 June, 2026

    48.2 °F

  • Average June

    70.1 °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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