Island Lake Weather Forecast

    • 50
    • 67

    Increasing Clouds

    • 38
    • 56

    Rain Showers Likely

    • 40
    • 52

    Partly Sunny

    • 46
    • 61

    Mostly Cloudy

    • 45
    • 61

    Mostly Cloudy

    • 42
    • 54

    Rain Showers Likely

Today 6 May Cascades of Snohomish and Northern King Counties

Sunny. Freezing level near 10500 feet. Afternoon pass Temperatures in the lower 60s. Light wind.

Tonight 6 May Cascades of Snohomish and Northern King Counties

Partly cloudy. Freezing level near 11000 feet. Lows in the lower 40s. Light wind.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Island Lake Temperature Statistics

May Temperature

Stampede Pass (53.4 miles)

  • Lowest 4 May, 2025

    30.9 °F

  • Average May

    43.7 °F

  • Highest 2 May, 2025

    66 °F

Climate (2020–Present)

Stampede Pass (53.4 miles)

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  • Average Low 2020–2025

    36.3 °F

  • Average 2020–2025

    41.5 °F

  • Average High 2020–2025

    48.3 °F
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