Alder Lake Park Weather Forecast

    • 49
    • 64

    Rain

    • 42
    • 55

    Rain

    • 41
    • 58

    Mostly Cloudy

    • 42
    • 60

    Partly Sunny

    • 45
    • 60

    Mostly Cloudy

    • 46
    • 59

    Chance Rain

    • 45
    • 62

    Mostly Cloudy

Today 24 Sep Foothills and Valleys of Pierce and Southern King Counties

Partly sunny. A slight chance of rain in the Morning, then a chance of rain in the afternoon. Highs in the lower to mid 60s.

Tonight 24 Sep Foothills and Valleys of Pierce and Southern King Counties

A chance of rain in the Evening, then rain at Times after midnight. Rainfall Amounts a tenth to a quarter of an inch possible. Lows in the lower 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 19 September, 2026

    45.5 °F

  • Average September

    60.4 °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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