Jamestown Weather Forecast

    • 54
    • 73

    Sunny

    • 60
    • 84

    Mostly Sunny

    • 59
    • 88

    Mostly Sunny

    • 58
    • 86

    Mostly Sunny

    • 52
    • 82

    Partly Sunny

    • 51
    • 67

    Chance Thunderstorms

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

Sunny. Highs 70 to 78.

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

Mostly clear. Lows 47 to 57.

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Jamestown Temperature Statistics

June Temperature

Boulder Municipal Airport (9.9 miles)

  • Lowest 3 June, 2025

    46.4 °F

  • Average June

    65.8 °F

  • Highest 14 June, 2025

    93.2 °F

Climate (2020–Present)

Boulder Municipal Airport (9.9 miles)

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  • Average Low 2020–2025

    40.4 °F

  • Average 2020–2025

    52.5 °F

  • Average High 2020–2025

    64.8 °F
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