Bluff Lake Weather Forecast

    • 47
    • 58

    Mostly Sunny

    • 48
    • 61

    Partly Sunny

    • 42
    • 52

    Mostly Cloudy

    • 41
    • 50

    Chance Rain

    • 42
    • 51

    Chance Rain

    • 42
    • 53

    Slight Chance Rain

Today 8 Sep Cascades of Whatcom and Skagit Counties

Sunny. Freezing level near 11500 feet.

Tonight 8 Sep Cascades of Whatcom and Skagit Counties

Partly cloudy. Freezing level near 10500 feet.

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Bluff Lake Temperature Statistics

September Temperature

Arlington Municipal Airport (39.1 miles)

  • Lowest 5 September, 2026

    48.9 °F

  • Average September

    60.7 °F

  • Highest 4 September, 2026

    73 °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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