Arapahoe Basin Ski Area Weather Forecast

    • 48
    • 72

    Mostly Sunny

    • 49
    • 72

    Partly Sunny

    • 46
    • 69

    Rain Showers

    • 45
    • 65

    Rain Showers

    • 45
    • 63

    Rain Showers

    • 43
    • 58

    Rain Showers

Today 20 Aug South and Southeast Grand/West Central and Southwest Boulder/Gilpin/Clear Creek/Summit/North and Wes

Mostly sunny. Slight chance of Thunderstorms in the afternoon. Highs 67 to 77. Chance of precipitation 10 percent.

Tonight 20 Aug South and Southeast Grand/West Central and Southwest Boulder/Gilpin/Clear Creek/Summit/North and Wes

Mostly clear. Lows 43 to 53.

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Arapahoe Basin Ski Area Temperature Statistics

August Temperature

Copper Mountain - Red Cliff Pass (18.6 miles)

  • Lowest 1 August, 2025

    44.6 °F

  • Average August

    59 °F

  • Highest 7 August, 2025

    71.6 °F

Climate (2020–Present)

Copper Mountain - Red Cliff Pass (18.6 miles)

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  • Average Low 2020–2025

    29.6 °F

  • Average 2020–2025

    36.1 °F

  • Average High 2020–2025

    42.4 °F
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