Plummer Mountain Weather Forecast

    • 33
    • 34

    Rain/Snow

    • 26
    • 37

    Blizzard

    • 20
    • 29

    Blizzard

    • 21
    • 23

    Snow

    • 19
    • 24

    Snow

    • 18
    • 21

    Snow

Today 14 Dec Cascades of Snohomish and Northern King Counties

Rain and snow in the morning. Rain and snow likely in the afternoon. Patchy dense fog in the afternoon. Snow level near 6500 feet. Rainfall Amounts a quarter to a half inch possible. No snow accumulation. Afternoon pass Temperatures in the lower 40s. Light wind.

Tonight 14 Dec Cascades of Snohomish and Northern King Counties

Patchy fog in the evening. Rain likely in the evening. A slight chance of snow. Rain after midnight. Snow level near 8000 feet. Rainfall Amounts a half inch to one inch possible. No snow accumulation. Lows in the upper 30s. Light wind. Gusts to 20 Mph after midnight.

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Plummer Mountain Temperature Statistics

December Temperature

Arlington Municipal Airport (54.7 miles)

  • Lowest 1 December, 2025

    30 °F

  • Average December

    46.1 °F

  • Highest 8 December, 2025

    57 °F

Climate (2020–Present)

Arlington Municipal Airport (54.7 miles)

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  • Average Low 2020–2025

    42.5 °F

  • Average 2020–2025

    50.7 °F

  • Average High 2020–2025

    59.8 °F
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