Plummer Mountain Weather Forecast

    • 23
    • 29

    Snow Showers Likely

    • 24
    • 31

    Mostly Cloudy

    • 30
    • 32

    Rain/Snow

    • 25
    • 32

    Rain/Snow

    • 22
    • 27

    Chance Snow Showers

    • 26
    • 28

    Chance Snow

Today 29 Oct Cascades of Snohomish and Northern King Counties

Mostly cloudy. Showers likely in the Morning, then a chance of Showers in the late morning and early afternoon. A slight chance of Showers late in the afternoon. Snow level near 4500 feet. Rainfall Amounts a tenth to a quarter of an inch possible. Snow accumulation up to 1 inch. Total snow accumulation up to 2 Inches. Afternoon pass Temperatures in the upper 30s. West wind in the Passes 10 to 15 Mph. Gusts to 25 Mph.

Tonight 29 Oct Cascades of Snohomish and Northern King Counties

Mostly cloudy. A slight chance of Showers in the evening. Snow level near 4500 feet. No snow accumulation. Freezing level near 7500 feet after midnight. Lows in the upper 20s. Light wind.

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Plummer Mountain Temperature Statistics

October Temperature

Arlington Municipal Airport (54.7 miles)

  • Lowest 14 October, 2025

    28.9 °F

  • Average October

    51.2 °F

  • Highest 7 October, 2025

    73.9 °F

Climate (2020–Present)

Arlington Municipal Airport (54.7 miles)

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  • Average Low 2020–2025

    42.4 °F

  • Average 2020–2025

    50.6 °F

  • Average High 2020–2025

    59.7 °F
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