Keystone Resort Weather Forecast

    • 45
    • 80

    Slight Chance Thunderstorms

    • 48
    • 83

    Mostly Sunny

    • 51
    • 85

    Mostly Sunny

    • 49
    • 85

    Partly Sunny

    • 48
    • 82

    Chance Thunderstorms

    • 49
    • 83

    Chance Thunderstorms

Today 31 Jul South and Southeast Grand/West Central and Southwest Boulder/Gilpin/Clear Creek/Summit/North and Wes

Mostly sunny in the Morning, then mostly cloudy with a chance of Thunderstorms in the afternoon. Highs 65 to 75. Chance of precipitation 50 percent.

Tonight 31 Jul South and Southeast Grand/West Central and Southwest Boulder/Gilpin/Clear Creek/Summit/North and Wes

Mostly cloudy with a chance of Thunderstorms in the Evening, then mostly clear after midnight. Lows 40 to 50. Chance of precipitation 50 percent.

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  • Temperature Real-Time

Keystone Resort Temperature Statistics

July Temperature

Copper Mountain - Red Cliff Pass (14.3 miles)

  • Lowest 9 July, 2026

    39.2 °F

  • Average July

    54.3 °F

  • Highest 20 July, 2026

    73.4 °F

Climate (2021–2026)

Copper Mountain - Red Cliff Pass (14.3 miles)

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  • Average Low 2021–2026

    29.4 °F

  • Average 2021–2026

    35.8 °F

  • Average High 2021–2026

    42 °F
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