Alturas Lake Weather Forecast

    • 30
    • 43

    Increasing Clouds

    • 25
    • 40

    Partly Sunny

    • 23
    • 37

    Sunny

    • 25
    • 41

    Mostly Sunny

    • 28
    • 41

    Partly Sunny

    • 32
    • 41

    Chance Snow

    • 33
    • 44

    Chance Rain/Snow

Today 21 Jan Cascades of Snohomish and Northern King Counties

Sunny. Freezing level near 7500 feet. Afternoon pass Temperatures in the lower 30s. Light wind.

Tonight 21 Jan Cascades of Snohomish and Northern King Counties

Partly cloudy until early morning then becoming mostly cloudy. Freezing level near 6500 feet. Lows in the lower 20s. Light wind.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Alturas Lake Temperature Statistics

January Temperature

Ellensburg, Ellensburg Bowers Field (53.4 miles)

  • Lowest 1 January, 2026

    19 °F

  • Average January

    31.4 °F

  • Highest 13 January, 2026

    46 °F

Climate (2021–Present)

Ellensburg, Ellensburg Bowers Field (53.4 miles)

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  • Average Low 2021–2026

    40.3 °F

  • Average 2021–2026

    51.4 °F

  • Average High 2021–2026

    62.7 °F
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