Marysville Weather Forecast

    • 54
    • 72

    Rain

    • 55
    • 67

    Rain Likely

    • 52
    • 71

    Mostly Cloudy

    • 50
    • 72

    Mostly Sunny

    • 53
    • 77

    Mostly Sunny

    • 54
    • 79

    Mostly Sunny

    • 55
    • 82

    Mostly Sunny

Today 12 Sep Downtown Everett / Marysville Area

Mostly cloudy. Highs in the mid 60s to lower 70s. Light wind becoming west to 10 Mph in the afternoon.

Tonight 12 Sep Downtown Everett / Marysville Area

Mostly cloudy. A slight chance of rain in the Evening, then a chance of rain in the late evening and early morning. Rain at Times late in the night. Rainfall Amounts a tenth to a quarter of an inch possible. Lows in the lower to mid 50s. West wind to 10 Mph becoming southeast after midnight.

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Marysville Temperature Statistics

September Temperature

Arlington Municipal Airport (7.5 miles)

  • Lowest 8 September, 2026

    46 °F

  • Average September

    60.7 °F

  • Highest 9 September, 2026

    78.1 °F

Climate (2021–2026)

Arlington Municipal Airport (7.5 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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