Eldorado Peak Weather Forecast

    • 43
    • 48

    Decreasing Clouds

    • 46
    • 55

    Sunny

    • 39
    • 51

    Partly Sunny

    • 41
    • 48

    Mostly Sunny

    • 44
    • 55

    Mostly Sunny

    • 42
    • 51

    Chance Rain

Today 15 Sep Cascades of Whatcom and Skagit Counties

Partly sunny in the morning then becoming sunny. Areas of dense fog in the morning. Patchy dense fog late in the morning. Freezing level near 11000 feet increasing to 13000 feet in the afternoon.

Tonight 15 Sep Cascades of Whatcom and Skagit Counties

Mostly clear. Freezing level near 14500 feet.

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Eldorado Peak Temperature Statistics

September Temperature

Arlington Municipal Airport (53.4 miles)

  • Lowest 9 September, 2025

    51.8 °F

  • Average September

    63.3 °F

  • Highest 3 September, 2025

    81 °F

Climate (2020–Present)

Arlington Municipal Airport (53.4 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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