Chester Morse Lake Weather Forecast

    • 38
    • 47

    Rain

    • 37
    • 43

    Rain

    • 34
    • 46

    Chance Rain

    • 38
    • 55

    Partly Sunny

    • 39
    • 51

    Rain

    • 41
    • 52

    Rain

    • 36
    • 47

    Rain

Today 18 Oct Cascades of Southern King County

Mostly cloudy. A slight chance of rain in the morning. A slight chance of snow through the day. Rain likely in the afternoon. Snow level near 5000 feet increasing to 9500 feet in the afternoon. Rainfall Amounts a quarter to a half inch possible. No snow accumulation. Afternoon pass Temperatures in the mid 40s. Light wind in the Passes.

Tonight 18 Oct Cascades of Southern King County

Rain until early morning. A slight chance of snow after midnight. A chance of rain late in the night. Snow level near 10000 feet decreasing to 7500 feet after midnight. Rain may be heavy at Times after midnight. Rainfall Amounts one to three Inches possible. No snow accumulation. Light wind in the Passes.

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  • Temperature Forecast NOAA

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Chester Morse Lake Temperature Statistics

October Temperature

Ellensburg, Ellensburg Bowers Field (59.7 miles)

  • Lowest 15 October, 2025

    21 °F

  • Average October

    49 °F

  • Highest 9 October, 2025

    72 °F

Climate (2020–Present)

Ellensburg, Ellensburg Bowers Field (59.7 miles)

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  • Average Low 2020–2025

    40.3 °F

  • Average 2020–2025

    51.4 °F

  • Average High 2020–2025

    62.9 °F
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