Delta Lake Weather Forecast

    • 42
    • 55

    Mostly Cloudy

    • 47
    • 62

    Rain

    • 39
    • 49

    Rain Showers

    • 39
    • 52

    Mostly Cloudy

    • 40
    • 53

    Partly Sunny

    • 42
    • 52

    Chance Rain

    • 43
    • 54

    Chance Rain

Today 23 Sep Cascades of Snohomish and Northern King Counties

Partly sunny. A chance of rain and snow. Snow level near 7500 feet. Afternoon pass Temperatures in the lower 50s.

Tonight 23 Sep Cascades of Snohomish and Northern King Counties

Mostly cloudy. Freezing level near 10500 feet. Lows around 40. Light wind.

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Delta Lake Temperature Statistics

September Temperature

Stampede Pass (21.7 miles)

  • Lowest 3 September, 2026

    39.9 °F

  • Average September

    52 °F

  • Highest 20 September, 2026

    73 °F

Climate (2021–2026)

Stampede Pass (21.7 miles)

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  • Average Low 2021–2026

    36.2 °F

  • Average 2021–2026

    41.5 °F

  • Average High 2021–2026

    48.2 °F
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