Federation Forest State Park Weather Forecast

    • 38
    • 51

    Partly Sunny

    • 43
    • 52

    Rain

    • 40
    • 47

    Rain

    • 42
    • 53

    Chance Rain

    • 39
    • 52

    Chance Rain

    • 43
    • 58

    Rain Likely

    • 46
    • 57

    Rain

Today 17 Oct Cascades of Southern King County

Cloudy in the morning then becoming partly sunny. Rain and snow likely in the Morning, then a chance of Showers and snow in the afternoon. Snow level near 6500 feet decreasing to 5000 feet in the afternoon. Rainfall Amounts a tenth to a quarter of an inch possible. No snow accumulation. Afternoon pass Temperatures in the mid 40s. Light wind in the Passes. Gusts to 20 Mph in the afternoon.

Tonight 17 Oct Cascades of Southern King County

Partly cloudy then becoming mostly cloudy after midnight then becoming partly cloudy. Freezing level near 5500 feet increasing to 7500 feet after midnight. Light wind in the Passes.

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Federation Forest State Park Temperature Statistics

October Temperature

Ellensburg, Ellensburg Bowers Field (55.3 miles)

  • Lowest 15 October, 2025

    21 °F

  • Average October

    49.3 °F

  • Highest 9 October, 2025

    72 °F

Climate (2020–Present)

Ellensburg, Ellensburg Bowers Field (55.3 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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