Sourdough Lake Weather Forecast

    • 41
    • 52

    Rain Likely

    • 48
    • 67

    Mostly Sunny

    • 54
    • 73

    Sunny

    • 56
    • 77

    Sunny

    • 54
    • 74

    Mostly Sunny

    • 52
    • 70

    Mostly Sunny

Today 2 Aug Cascades of Whatcom and Skagit Counties

Mostly cloudy with a chance of Showers in the Morning, then mostly cloudy with a chance of Showers, snow Showers and a slight chance of Thunderstorms in the afternoon. Snow level near 7000 feet. No snow accumulation.

Tonight 2 Aug Cascades of Whatcom and Skagit Counties

Mostly clear. Freezing level near 9000 feet.

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Sourdough Lake Temperature Statistics

August Temperature

Burlington/Mount Vernon, Skagit Regional Airport (62.1 miles)

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Climate (2021–2026)

Burlington/Mount Vernon, Skagit Regional Airport (62.1 miles)

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  • Average Low 2021–2026

    43.8 °F

  • Average 2021–2026

    51.3 °F

  • Average High 2021–2026

    59.3 °F
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