Jamestown Weather Forecast

    • 48
    • 70

    Becoming Sunny

    • 58
    • 79

    Mostly Sunny

    • 47
    • 84

    Mostly Sunny

    • 50
    • 76

    Mostly Sunny

    • 57
    • 80

    Mostly Sunny

    • 53
    • 80

    Chance Thunderstorms

    • 51
    • 73

    Chance Thunderstorms

Today 15 Jun Larimer and Boulder Counties Between 6000 and 9000 Feet

Mostly sunny. Highs 67 to 77. North Winds 10 to 15 Mph with Gusts up to 25 Mph.

Tonight 15 Jun Larimer and Boulder Counties Between 6000 and 9000 Feet

Partly cloudy. Lows 41 to 51.

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Jamestown Temperature Statistics

June Temperature

Boulder Municipal Airport (9.9 miles)

  • Lowest 12 June, 2026

    50 °F

  • Average June

    70.8 °F

  • Highest 6 June, 2026

    95 °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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