Jamestown Weather Forecast

    • 46
    • 68

    Mostly Sunny

    • 48
    • 67

    Chance Thunderstorms

    • 50
    • 71

    Chance Thunderstorms

    • 50
    • 71

    Rain Showers Likely

    • 51
    • 71

    Chance Thunderstorms

    • 51
    • 72

    Chance Thunderstorms

Today 31 May Larimer and Boulder Counties Between 6000 and 9000 Feet

Mostly sunny. Highs 64 to 74. West Winds 10 to 15 Mph, increasing to 20 to 25 Mph in the afternoon. Gusts up to 35 Mph.

Tonight 31 May Larimer and Boulder Counties Between 6000 and 9000 Feet

Mostly clear. Lows 39 to 49.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Jamestown Temperature Statistics

May Temperature

Boulder Municipal Airport (9.9 miles)

  • Lowest 1 May, 2026

    32 °F

  • Average May

    58.7 °F

  • Highest 11 May, 2026

    87.8 °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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