Alder Lake Park Weather Forecast

    • 47
    • 66

    Rain

    • 47
    • 59

    Rain

    • 46
    • 63

    Mostly Cloudy

    • 47
    • 67

    Mostly Sunny

    • 51
    • 74

    Mostly Sunny

    • 53
    • 79

    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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Alder Lake Park Temperature Statistics

September Temperature

Fort Lewis / Gray U. S. Army Airfield (24.9 miles)

  • Lowest 5 September, 2026

    46.4 °F

  • Average September

    61.8 °F

  • Highest 9 September, 2026

    82.6 °F

Climate (2021–2026)

Fort Lewis / Gray U. S. Army Airfield (24.9 miles)

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  • Average Low 2021–2026

    42.8 °F

  • Average 2021–2026

    52.1 °F

  • Average High 2021–2026

    61.4 °F
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