Weallup Lake Weather Forecast

    • 46
    • 61

    Rain Showers

    • 44
    • 62

    Partly Sunny

    • 45
    • 63

    Partly Sunny

    • 50
    • 63

    Chance Rain

    • 49
    • 62

    Chance Rain

    • 48
    • 63

    Mostly Cloudy

Today 25 Sep Downtown Everett / Marysville Area

Windy. A chance of Showers and a slight chance of Thunderstorms in the Morning, then Showers and a chance of Thunderstorms in the afternoon. Rainfall Amounts a half inch to one inch Possible, except higher Amounts possible in Thunderstorms. Highs in the upper 50s to mid 60s. South wind 10 to 15 Mph increasing to northwest 20 to 30 Mph in the afternoon.

Tonight 25 Sep Downtown Everett / Marysville Area

Partly cloudy. A chance of Showers in the Evening, then a slight chance of Showers late in the evening. Lows in the 40s. West wind to 10 Mph becoming south around 10 Mph after midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Weallup Lake Temperature Statistics

September Temperature

Arlington Municipal Airport (7.5 miles)

  • Lowest 16 September, 2026

    44.1 °F

  • Average September

    59.2 °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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