Theseus Lake Weather Forecast

    • 23
    • 35

    Snow

    • 23
    • 31

    Snow Showers

    • 25
    • 34

    Slight Chance Snow

    • 27
    • 40

    Partly Sunny

    • 34
    • 46

    Chance Rain/Snow

    • 33
    • 44

    Rain/Snow Likely

Today 14 Apr Western Chelan County

Snow likely in the Morning, then rain or snow in the afternoon. Snow may be heavy at Times in the afternoon. Little or no snow accumulation Valleys and 4 to 8 Inches in the Mountains. Snow level 3500 feet. Highs in the lower 40s to lower 50s. Chance of precipitation near 100 percent.

Tonight 14 Apr Western Chelan County

Rain or snow in the Evening, then snow likely overnight. Snow may be heavy at Times in the evening. Snow accumulation up to 2 Inches Valleys and 4 to 9 Inches in the Mountains. Snow level 3500 feet in the evening. Lows in the mid 20s to lower 30s. Chance of precipitation near 100 percent.

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Theseus Lake Temperature Statistics

April Temperature

Stampede Pass (41.6 miles)

  • Lowest 1 April, 2026

    28 °F

  • Average April

    40 °F

  • Highest 6 April, 2026

    59 °F

Climate (2021–Present)

Stampede Pass (41.6 miles)

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  • Average Low 2021–2026

    36.3 °F

  • Average 2021–2026

    41.6 °F

  • Average High 2021–2026

    48.4 °F
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