Jamestown Weather Forecast

    • 53
    • 77

    Slight Chance Thunderstorms

    • 54
    • 77

    Mostly Sunny

    • 57
    • 80

    Partly Sunny

    • 55
    • 82

    Partly Sunny

    • 53
    • 73

    Chance Thunderstorms

    • 57
    • 81

    Partly Sunny

Today 4 Jun Larimer and Boulder Counties Between 6000 and 9000 Feet

Mostly sunny in the Morning, then mostly cloudy with a slight chance of Thunderstorms in the afternoon. Highs 74 to 84. West Winds 10 to 15 Mph with Gusts up to 20 Mph in the afternoon. Chance of precipitation 20 percent.

Tonight 4 Jun Larimer and Boulder Counties Between 6000 and 9000 Feet

Partly cloudy. Lows 47 to 57.

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Jamestown Temperature Statistics

June Temperature

Boulder Municipal Airport (9.9 miles)

  • Lowest 2 June, 2026

    51.8 °F

  • Average June

    66.3 °F

  • Highest 1 June, 2026

    78.8 °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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