Lake Hannan Weather Forecast

    • 56
    • 70

    Increasing Clouds

    • 55
    • 71

    Mostly Cloudy

    • 54
    • 71

    Mostly Cloudy

    • 52
    • 71

    Mostly Sunny

    • 54
    • 74

    Mostly Sunny

    • 57
    • 78

    Mostly Sunny

Today 17 Aug Foothills and Valleys of Snohomish and Northern King Counties

Partly sunny. A slight chance of Showers in the morning. Widespread dense fog in the morning. Patchy dense fog late in the morning. Highs in the 70s. Light wind.

Tonight 17 Aug Foothills and Valleys of Snohomish and Northern King Counties

Mostly cloudy. Lows in the 50s. Light wind.

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Lake Hannan Temperature Statistics

August Temperature

Everett Snohomish County (19.9 miles)

  • Lowest 7 August, 2025

    54.6 °F

  • Average August

    66.5 °F

  • Highest 12 August, 2025

    87.7 °F

Climate (2020–Present)

Everett Snohomish County (19.9 miles)

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  • Average Low 2020–2025

    46.3 °F

  • Average 2020–2025

    52.5 °F

  • Average High 2020–2025

    59.2 °F
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