Portage Creek Wildlife Reserve Weather Forecast

    • 39
    • 62

    Mostly Sunny

    • 45
    • 59

    Rain Showers Likely

    • 42
    • 60

    Chance Rain

    • 45
    • 58

    Rain

    • 42
    • 57

    Rain

    • 41
    • 57

    Chance Rain Showers

Today 15 Oct Lowlands of Western Skagit and Northwestern Snohomish Counties

Sunny. Areas of frost in the morning. Highs in the mid 50s to lower 60s. Light wind.

Tonight 15 Oct Lowlands of Western Skagit and Northwestern Snohomish Counties

Mostly clear. Lows in the upper 30s to mid 40s. Light wind.

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Portage Creek Wildlife Reserve Temperature Statistics

October Temperature

Arlington Municipal Airport (1.2 miles)

  • Lowest 13 October, 2025

    35.6 °F

  • Average October

    53.2 °F

  • Highest 7 October, 2025

    73.9 °F

Climate (2020–Present)

Arlington Municipal Airport (1.2 miles)

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  • Average Low 2020–2025

    42.4 °F

  • Average 2020–2025

    50.6 °F

  • Average High 2020–2025

    59.7 °F
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