Bluff Lake Weather Forecast

    • 40
    • 49

    Chance Rain

    • 45
    • 60

    Sunny

    • 46
    • 62

    Sunny

    • 45
    • 60

    Mostly Sunny

    • 46
    • 62

    Mostly Sunny

    • 46
    • 62

    Partly Sunny

Today 15 Sep Cascades of Whatcom and Skagit Counties

Mostly cloudy. A chance of Showers in the Morning, then a slight chance of Showers in the afternoon. Snow level near 8000 feet.

Tonight 15 Sep Cascades of Whatcom and Skagit Counties

Mostly clear. A slight chance of Showers in the evening. Snow level near 8000 feet.

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Bluff Lake Temperature Statistics

September Temperature

Arlington Municipal Airport (39.1 miles)

  • Lowest 8 September, 2026

    46 °F

  • Average September

    60.4 °F

  • Highest 9 September, 2026

    78.1 °F

Climate (2021–2026)

Arlington Municipal Airport (39.1 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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