Alder Lake Park Weather Forecast

    • 44
    • 53

    Slight Chance Rain

    • 40
    • 57

    Partly Sunny

    • 37
    • 52

    Partly Sunny

    • 37
    • 51

    Mostly Sunny

    • 37
    • 54

    Mostly Sunny

    • 37
    • 55

    Mostly Sunny

    • 37
    • 54

    Mostly Sunny

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

Mostly cloudy with a chance of rain. Highs in the 50s. South wind around 10 Mph in the morning becoming light.

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

Mostly cloudy. A slight chance of rain in the evening. Patchy fog late in the night. Lows in the 40s. Light wind.

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Alder Lake Park Temperature Statistics

January Temperature

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

  • Lowest 1 January, 2026

    31.1 °F

  • Average January

    42.3 °F

  • Highest 3 January, 2026

    54.9 °F

Climate (2021–Present)

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

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  • Average Low 2021–2026

    42.7 °F

  • Average 2021–2026

    52 °F

  • Average High 2021–2026

    61.3 °F
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