Gissberg Twin Lakes County Park Weather Forecast

    • 50
    • 70

    Slight Chance Rain

    • 51
    • 75

    Becoming Sunny

    • 55
    • 77

    Mostly Cloudy

    • 52
    • 71

    Mostly Cloudy

    • 51
    • 70

    Mostly Cloudy

    • 50
    • 70

    Chance Rain Showers

    • 50
    • 73

    Partly Sunny

Today 7 Sep Downtown Everett / Marysville Area

Mostly cloudy. A chance of rain late in the morning. A slight chance of rain early in the afternoon. Highs in the 60s to lower 70s. Light wind.

Tonight 7 Sep Downtown Everett / Marysville Area

Partly cloudy. Lows in the upper 40s to mid 50s. Light wind.

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Gissberg Twin Lakes County Park Temperature Statistics

September Temperature

Arlington Municipal Airport (1.9 miles)

  • Lowest 5 September, 2026

    48.9 °F

  • Average September

    60.7 °F

  • Highest 4 September, 2026

    73 °F

Climate (2021–2026)

Arlington Municipal Airport (1.9 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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