Deep Lake Weather Forecast

    • 51
    • 74

    Increasing Clouds

    • 50
    • 71

    Mostly Cloudy

    • 48
    • 66

    Mostly Cloudy

    • 46
    • 64

    Mostly Cloudy

    • 48
    • 63

    Chance Rain

    • 45
    • 60

    Chance Rain

Today 20 Sep Foothills and Valleys of Pierce and Southern King Counties

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

Tonight 20 Sep Foothills and Valleys of Pierce and Southern King Counties

Mostly clear. Patchy fog in the morning. Lows near 50. Light wind.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Deep Lake Temperature Statistics

September Temperature

Renton Municipal Airport (19.9 miles)

  • Lowest 6 September, 2026

    51.1 °F

  • Average September

    61.9 °F

  • Highest 9 September, 2026

    79 °F

Climate (2021–2026)

Renton Municipal Airport (19.9 miles)

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  • Average Low 2021–2026

    47.4 °F

  • Average 2021–2026

    54.7 °F

  • Average High 2021–2026

    62.2 °F
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