Mount Pilchuck State Forest Weather Forecast

    • 50
    • 65

    Increasing Clouds

    • 48
    • 57

    Chance Rain

    • 46
    • 54

    Rain Likely

    • 45
    • 52

    Chance Rain

    • 48
    • 57

    Partly Sunny

    • 47
    • 57

    Chance Rain

Today 26 Aug Cascades of Snohomish and Northern King Counties

Sunny. Freezing level near 13500 feet. Afternoon pass Temperatures in the mid 70s. Light wind.

Tonight 26 Aug Cascades of Snohomish and Northern King Counties

Partly cloudy. Freezing level near 13500 feet. Lows in the upper 40s. Light wind.

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Mount Pilchuck State Forest Temperature Statistics

August Temperature

Arlington Municipal Airport (18.6 miles)

  • Lowest 3 August, 2026

    46.4 °F

  • Average August

    64.6 °F

  • Highest 6 August, 2026

    84.9 °F

Climate (2021–2026)

Arlington Municipal Airport (18.6 miles)

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  • Average Low 2021–2026

    42.6 °F

  • Average 2021–2026

    50.9 °F

  • Average High 2021–2026

    59.9 °F
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