Spencer Island Park Weather Forecast

    • 51
    • 76

    Increasing Clouds

    • 51
    • 73

    Partly Sunny

    • 51
    • 73

    Partly Sunny

    • 52
    • 72

    Partly Sunny

    • 51
    • 69

    Mostly Cloudy

    • 51
    • 69

    Mostly Cloudy

Today 18 Sep Downtown Everett / Marysville Area

Sunny. Highs in the upper 60s to mid 70s. Southeast wind to 10 Mph becoming south in the afternoon.

Tonight 18 Sep Downtown Everett / Marysville Area

Mostly clear. Lows in the upper 40s to mid 50s. Light wind becoming southeast to 10 Mph after midnight.

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Spencer Island Park Temperature Statistics

September Temperature

Everett Snohomish County (7.5 miles)

  • Lowest 16 September, 2026

    51.1 °F

  • Average September

    59.5 °F

  • Highest 9 September, 2026

    73.9 °F

Climate (2021–2026)

Everett Snohomish County (7.5 miles)

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  • Average Low 2021–2026

    46.5 °F

  • Average 2021–2026

    52.6 °F

  • Average High 2021–2026

    59.2 °F
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