Jamestown Weather Forecast

    • 60
    • 84

    Mostly Sunny

    • 61
    • 85

    Mostly Sunny

    • 60
    • 83

    Mostly Sunny

    • 60
    • 85

    Mostly Sunny

    • 61
    • 85

    Mostly Sunny

    • 62
    • 85

    Mostly Sunny

Today 12 Jul Larimer and Boulder Counties Between 6000 and 9000 Feet

Sunny. Highs 81 to 91. Southeast Winds 10 to 15 Mph with Gusts up to 25 Mph.

Tonight 12 Jul Larimer and Boulder Counties Between 6000 and 9000 Feet

Clear. Lows 53 to 63. Southeast Winds 10 to 15 Mph with Gusts up to 30 Mph in the Evening, becoming light.

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Jamestown Temperature Statistics

July Temperature

Boulder Municipal Airport (9.9 miles)

  • Lowest 1 July, 2026

    55.4 °F

  • Average July

    75.2 °F

  • Highest 5 July, 2026

    96.8 °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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