Lynch Lake Weather Forecast

    • 43
    • 58

    Becoming Sunny

    • 44
    • 60

    Rain Likely

    • 46
    • 57

    Rain

    • 39
    • 51

    Rain

    • 36
    • 46

    Rain

    • 34
    • 44

    Rain

Today 21 Oct Foothills and Valleys of Snohomish and Northern King Counties

Mostly sunny. Patchy dense fog late in the morning. Highs in the upper 50s to mid 60s. Light wind.

Tonight 21 Oct Foothills and Valleys of Snohomish and Northern King Counties

Mostly clear. Lows in the 40s. Light wind.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Lynch Lake Temperature Statistics

October Temperature

Renton Municipal Airport (26.7 miles)

  • Lowest 15 October, 2025

    36 °F

  • Average October

    55.1 °F

  • Highest 7 October, 2025

    75.9 °F

Climate (2020–Present)

Renton Municipal Airport (26.7 miles)

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  • Average Low 2020–2025

    47.2 °F

  • Average 2020–2025

    54.5 °F

  • Average High 2020–2025

    62.2 °F
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