Lynch Lake Weather Forecast

    • 47
    • 67

    Chance Rain

    • 46
    • 68

    Mostly Cloudy

    • 46
    • 68

    Mostly Cloudy

    • 46
    • 69

    Partly Sunny

    • 44
    • 69

    Mostly Sunny

    • 48
    • 73

    Mostly Sunny

    • 50
    • 78

    Sunny

Today 16 Aug Foothills and Valleys of Snohomish and Northern King Counties

Mostly cloudy with a chance of rain. Highs in the 70s. South wind to 10 Mph. Gusts to 20 Mph.

Tonight 16 Aug Foothills and Valleys of Snohomish and Northern King Counties

Mostly cloudy. A chance of Showers in the Evening, then a slight chance of Showers after midnight. Widespread dense fog after midnight. Lows in the mid to upper 50s. Light wind.

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Lynch Lake Temperature Statistics

August Temperature

Renton Municipal Airport (26.7 miles)

  • Lowest 8 August, 2025

    52.6 °F

  • Average August

    69.8 °F

  • Highest 12 August, 2025

    92.6 °F

Climate (2020–Present)

Renton Municipal Airport (26.7 miles)

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  • Average Low 2020–2025

    47.3 °F

  • Average 2020–2025

    54.5 °F

  • Average High 2020–2025

    62.2 °F
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