Weallup Lake Weather Forecast

    • 50
    • 66

    Partly Sunny

    • 51
    • 71

    Becoming Sunny

    • 52
    • 72

    Mostly Sunny

    • 52
    • 71

    Mostly Sunny

    • 51
    • 69

    Partly Sunny

    • 52
    • 70

    Partly Sunny

    • 52
    • 69

    Chance Rain

Today 15 Sep Downtown Everett / Marysville Area

Mostly cloudy with a chance of rain. Highs near 70.

Tonight 15 Sep Downtown Everett / Marysville Area

Mostly clear. Patchy fog late in the night. Lows in the mid 40s to lower 50s. Northwest wind to 10 Mph in the evening becoming light.

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Weallup Lake Temperature Statistics

September Temperature

Arlington Municipal Airport (7.5 miles)

  • Lowest 8 September, 2026

    46 °F

  • Average September

    60.1 °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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