Portage Creek Wildlife Reserve Weather Forecast

    • 55
    • 85

    Increasing Clouds

    • 51
    • 79

    Partly Sunny

    • 51
    • 77

    Partly Sunny

    • 53
    • 77

    Mostly Sunny

    • 54
    • 77

    Partly Sunny

    • 55
    • 78

    Partly Sunny

    • 57
    • 80

    Partly Sunny

Today 7 Aug Lowlands of Western Skagit and Northwestern Snohomish Counties

Sunny. Highs in the 70s. Light wind becoming west to 10 Mph in the afternoon.

Tonight 7 Aug Lowlands of Western Skagit and Northwestern Snohomish Counties

Mostly clear in the evening then becoming mostly cloudy. Lows in the 50s. West wind to 10 Mph in the evening becoming light.

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Portage Creek Wildlife Reserve Temperature Statistics

August Temperature

Arlington Municipal Airport (1.2 miles)

  • Lowest 3 August, 2026

    46.4 °F

  • Average August

    62.7 °F

  • Highest 5 August, 2026

    84 °F

Climate (2021–2026)

Arlington Municipal Airport (1.2 miles)

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  • Average Low 2021–2026

    42.6 °F

  • Average 2021–2026

    50.9 °F

  • Average High 2021–2026

    59.8 °F
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