Fish Lake Weather Forecast

    • 50
    • 69

    Rain

    • 49
    • 61

    Rain

    • 47
    • 65

    Mostly Cloudy

    • 48
    • 69

    Mostly Sunny

    • 51
    • 77

    Mostly Sunny

    • 54
    • 80

    Mostly Sunny

Today 12 Sep Foothills and Valleys of Pierce and Southern King Counties

Cloudy. Highs near 70. Light wind.

Tonight 12 Sep Foothills and Valleys of Pierce and Southern King Counties

Cloudy with a chance of rain in the Evening, then rain after midnight. Patchy fog after midnight. Rainfall Amounts a half inch to one inch possible. Lows in the upper 40s to mid 50s. Light wind.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Fish Lake Temperature Statistics

September Temperature

Renton Municipal Airport (19.3 miles)

  • Lowest 6 September, 2026

    51.1 °F

  • Average September

    62.1 °F

  • Highest 9 September, 2026

    79 °F

Climate (2021–2026)

Renton Municipal Airport (19.3 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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