Langlois Lake Weather Forecast

    • 49
    • 67

    Chance Rain

    • 49
    • 70

    Decreasing Clouds

    • 52
    • 77

    Partly Sunny

    • 54
    • 74

    Chance Rain

    • 51
    • 67

    Rain

    • 50
    • 68

    Rain Showers Likely

    • 50
    • 70

    Chance Rain

Today 29 Aug Foothills and Valleys of Central King County

Patchy fog until late afternoon. Showers in the morning. A slight chance of Thunderstorms until late afternoon. A chance of Showers in the afternoon. Rainfall Amounts a quarter to a half inch Possible, except higher Amounts possible in Thunderstorms. Highs in the mid to upper 60s. Light wind.

Tonight 29 Aug Foothills and Valleys of Central King County

Mostly cloudy. A slight chance of rain in the evening. Patchy fog late in the night. Lows near 50. Light wind.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Langlois Lake Temperature Statistics

August Temperature

Renton Municipal Airport (18 miles)

  • Lowest 3 August, 2026

    52 °F

  • Average August

    68.6 °F

  • Highest 6 August, 2026

    87.1 °F

Climate (2021–2026)

Renton Municipal Airport (18 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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