Keystone Weather Forecast

    • 24
    • 52

    Chance Thunderstorms

    • 27
    • 56

    Mostly Sunny

    • 32
    • 63

    Chance Rain/Snow

    • 36
    • 60

    Rain Showers Likely

    • 33
    • 56

    Rain/Snow

    • 31
    • 52

    Rain/Snow

Today 1 May South and Southeast Grand/West Central and Southwest Boulder/Gilpin/Clear Creek/Summit/North and Wes

Mostly cloudy. Chance of snow Showers through the day. Chance of Thunderstorms in the afternoon. Highs 37 to 47. Northwest Winds 10 to 15 Mph in the afternoon. Chance of snow 40 percent.

Tonight 1 May South and Southeast Grand/West Central and Southwest Boulder/Gilpin/Clear Creek/Summit/North and Wes

Mostly cloudy with a slight chance of Thunderstorms and snow Showers in the Evening, then partly cloudy after midnight. Lows 17 to 27. Chance of snow 20 percent.

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Keystone Temperature Statistics

May Temperature

Copper Mountain - Red Cliff Pass (13.7 miles)

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  • Average May

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Climate (2020–Present)

Copper Mountain - Red Cliff Pass (13.7 miles)

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  • Average Low 2020–2025

    30 °F

  • Average 2020–2025

    36.6 °F

  • Average High 2020–2025

    43 °F
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