Pinnacle Lake Weather Forecast

    • 29
    • 35

    Snow Likely

    • 30
    • 41

    Partly Sunny

    • 31
    • 45

    Mostly Sunny

    • 33
    • 46

    Partly Sunny

    • 36
    • 46

    Rain/Snow

    • 35
    • 38

    Rain/Snow

    • 35
    • 39

    Snow Likely

Today 27 Feb Cascades of Snohomish and Northern King Counties

Patchy dense fog in the morning. Mostly cloudy with rain and snow likely in the Morning, then mostly cloudy with a chance of rain and snow in the afternoon. Snow level near 3000 feet. Rainfall Amounts a tenth to a quarter of an inch possible. Afternoon pass Temperatures in the lower 30s. West wind in the Passes 10 to 15 Mph with Gusts to 30 Mph.

Tonight 27 Feb Cascades of Snohomish and Northern King Counties

Mostly cloudy. A chance of rain and snow in the Evening, then a slight chance of rain and snow after midnight. Snow level near 3000 feet. Lows in the mid 20s. West wind in the Passes around 10 Mph. Gusts to 20 Mph in the evening.

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Pinnacle Lake Temperature Statistics

February Temperature

Arlington Municipal Airport (19.9 miles)

  • Lowest 20 February, 2026

    19.9 °F

  • Average February

    42.1 °F

  • Highest 4 February, 2026

    63 °F

Climate (2021–Present)

Arlington Municipal Airport (19.9 miles)

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  • Average Low 2021–2026

    42.5 °F

  • Average 2021–2026

    50.8 °F

  • Average High 2021–2026

    59.9 °F
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