Falls Lake Weather Forecast

    • 48
    • 61

    Decreasing Clouds

    • 49
    • 63

    Mostly Cloudy

    • 49
    • 65

    Partly Sunny

    • 49
    • 70

    Sunny

    • 49
    • 71

    Sunny

    • 48
    • 66

    Mostly Sunny

Today 30 Apr Cascades of Whatcom and Skagit Counties

Sunny until late afternoon then becoming partly sunny. Freezing level near 9000 feet.

Tonight 30 Apr Cascades of Whatcom and Skagit Counties

Partly cloudy. Freezing level near 9500 feet.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Falls Lake Temperature Statistics

April Temperature

Arlington Municipal Airport (40.4 miles)

  • Lowest 8 April, 2026

    30 °F

  • Average April

    49 °F

  • Highest 19 April, 2026

    73 °F

Climate (2021–Present)

Arlington Municipal Airport (40.4 miles)

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  • Average Low 2021–2026

    42.6 °F

  • Average 2021–2026

    50.8 °F

  • Average High 2021–2026

    59.9 °F
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