Pinnacle Lake Weather Forecast

    • 46
    • 72

    Rain

    • 41
    • 49

    Rain

    • 48
    • 65

    Partly Sunny

    • 41
    • 59

    Chance Rain

    • 39
    • 51

    Slight Chance Rain

    • 42
    • 53

    Chance Rain

    • 45
    • 58

    Chance Rain

Today 28 May Cascades of Snohomish and Northern King Counties

Warmer, sunny. Highs 69 to 79. Southeast Winds 5 to 15 Mph with Gusts to around 30 Mph shifting to the south 5 to 10 Mph in the afternoon.

Tonight 28 May Cascades of Snohomish and Northern King Counties

Mostly clear in the Evening, then mostly cloudy with a slight chance of Showers after midnight. Snow level near 10500 feet. Lows in the upper 40s. Light wind.

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Pinnacle Lake Temperature Statistics

May Temperature

Arlington Municipal Airport (19.9 miles)

  • Lowest 5 May, 2025

    36 °F

  • Average May

    54.1 °F

  • Highest 6 May, 2025

    77 °F

Climate (2020–Present)

Arlington Municipal Airport (19.9 miles)

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  • Average Low 2020–2025

    42.4 °F

  • Average 2020–2025

    50.4 °F

  • Average High 2020–2025

    59.5 °F
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