Twin Sisters Lake Weather Forecast

    • 37
    • 53

    Rain

    • 33
    • 42

    Rain/Snow

    • 31
    • 46

    Chance Rain/Snow

    • 27
    • 38

    Chance Snow

    • 25
    • 34

    Snow

    • 20
    • 32

    Snow Likely

Today 10 Apr Upper Slopes of the Eastern Washington Cascades Crest

Mostly cloudy. A 20 percent chance of rain in the afternoon. Highs in the lower 50s to lower 60s.

Tonight 10 Apr Upper Slopes of the Eastern Washington Cascades Crest

Mostly cloudy with a 50 percent chance of rain. Lows in the mid 30s to lower 40s. Rainfall Amounts around a tenth of an inch.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Twin Sisters Lake Temperature Statistics

April Temperature

Stampede Pass (36.7 miles)

  • Lowest 1 April, 2026

    28 °F

  • Average April

    39 °F

  • Highest 6 April, 2026

    59 °F

Climate (2021–Present)

Stampede Pass (36.7 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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