Lake Janus Weather Forecast

    • 32
    • 38

    Chance Rain/Snow

    • 31
    • 36

    Rain/Snow

    • 33
    • 36

    Rain/Snow

    • 33
    • 39

    Mostly Cloudy

    • 31
    • 42

    Partly Sunny

    • 31
    • 44

    Partly Sunny

Today 31 Jan Cascades of Snohomish and Northern King Counties

Mostly cloudy. Rain and snow in the morning. A chance of rain and snow in the afternoon. Snow level near 7000 feet. Rainfall Amounts a tenth to a quarter of an inch possible. Afternoon pass Temperatures around 40. Light wind.

Tonight 31 Jan Cascades of Snohomish and Northern King Counties

Mostly cloudy. A slight chance of rain until early morning. A slight chance of snow after midnight. A chance of rain in the morning. Snow level near 5500 feet. Lows in the lower 30s. Light wind.

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Lake Janus Temperature Statistics

January Temperature

Stampede Pass (39.8 miles)

  • Lowest 23 January, 2026

    16 °F

  • Average January

    28 °F

  • Highest 14 January, 2026

    57 °F

Climate (2021–Present)

Stampede Pass (39.8 miles)

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  • Average Low 2021–2026

    36.2 °F

  • Average 2021–2026

    41.5 °F

  • Average High 2021–2026

    48.3 °F
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