Falls Lake Weather Forecast

    • 40
    • 45

    Increasing Clouds

    • 41
    • 44

    Rain

    • 34
    • 44

    Rain/Snow

    • 32
    • 36

    Chance Rain/Snow

    • 35
    • 37

    Rain/Snow Likely

    • 39
    • 40

    Rain

    • 39
    • 42

    Rain

Today 30 Oct Cascades of Whatcom and Skagit Counties

Mostly cloudy. Freezing level near 7500 feet increasing to 9500 feet in the afternoon.

Tonight 30 Oct Cascades of Whatcom and Skagit Counties

Mostly cloudy then becoming partly cloudy in the late evening and early morning then becoming mostly cloudy. Freezing level near 9500 feet.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Falls Lake Temperature Statistics

October Temperature

Arlington Municipal Airport (40.4 miles)

  • Lowest 14 October, 2025

    28.9 °F

  • Average October

    50.7 °F

  • Highest 7 October, 2025

    73.9 °F

Climate (2020–Present)

Arlington Municipal Airport (40.4 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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