Langlois Lake Weather Forecast

    • 42
    • 58

    Partly Sunny

    • 40
    • 53

    Partly Sunny

    • 37
    • 53

    Mostly Sunny

    • 38
    • 55

    Mostly Sunny

    • 37
    • 56

    Mostly Sunny

    • 37
    • 54

    Mostly Sunny

Today 13 Jan Foothills and Valleys of Central King County

Partly sunny. Highs in the mid 50s to lower 60s. Light wind.

Tonight 13 Jan Foothills and Valleys of Central King County

Mostly cloudy in the evening then becoming mostly clear. Areas of fog after midnight. Lows in the lower to mid 40s. Light wind.

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Langlois Lake Temperature Statistics

January Temperature

Renton Municipal Airport (18 miles)

  • Lowest 1 January, 2026

    33.1 °F

  • Average January

    44.1 °F

  • Highest 3 January, 2026

    55 °F

Climate (2021–Present)

Renton Municipal Airport (18 miles)

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  • Average Low 2021–2026

    47.4 °F

  • Average 2021–2026

    54.6 °F

  • Average High 2021–2026

    62.2 °F
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