Copper Lake Weather Forecast

    • 48
    • 57

    Chance Rain

    • 48
    • 59

    Mostly Cloudy

    • 47
    • 60

    Mostly Cloudy

    • 48
    • 62

    Partly Sunny

    • 46
    • 60

    Mostly Sunny

    • 52
    • 68

    Mostly Sunny

    • 54
    • 73

    Sunny

Today 16 Aug Cascades of Snohomish and Northern King Counties

Mostly cloudy. A chance of snow Showers in the morning. A chance of Showers and a slight chance of Thunderstorms through the day. A chance of snow in the afternoon. Snow level near 9000 feet. Afternoon pass Temperatures in the lower 60s. Light wind. Gusts to 20 Mph in the morning.

Tonight 16 Aug Cascades of Snohomish and Northern King Counties

Mostly cloudy. A chance of Showers in the Evening, then a slight chance of Showers after midnight. Patchy dense fog until early morning. Areas of fog late in the night. Snow level near 8500 feet. Lows in the upper 40s. Light wind. Gusts to 20 Mph in the evening.

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Copper Lake Temperature Statistics

August Temperature

Stampede Pass (22.4 miles)

  • Lowest 8 August, 2025

    43 °F

  • Average August

    57.7 °F

  • Highest 11 August, 2025

    84 °F

Climate (2020–Present)

Stampede Pass (22.4 miles)

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  • Average Low 2020–2025

    36.2 °F

  • Average 2020–2025

    41.5 °F

  • Average High 2020–2025

    48.3 °F
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