Jamestown Weather Forecast

    • 54
    • 76

    Decreasing Clouds

    • 56
    • 79

    Slight Chance Thunderstorms

    • 55
    • 80

    Partly Sunny

    • 54
    • 74

    Chance Thunderstorms

    • 55
    • 82

    Partly Sunny

    • 55
    • 82

    Partly Sunny

Today 5 Jun Larimer and Boulder Counties Between 6000 and 9000 Feet

Mostly sunny. Highs 74 to 84.

Tonight 5 Jun Larimer and Boulder Counties Between 6000 and 9000 Feet

Mostly clear. Lows 47 to 57.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Jamestown Temperature Statistics

June Temperature

Boulder Municipal Airport (9.9 miles)

  • Lowest 2 June, 2026

    51.8 °F

  • Average June

    67 °F

  • Highest 3 June, 2026

    80.6 °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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