Liberty Weather Forecast

    • 50
    • 76

    Mostly Sunny

    • 49
    • 72

    Mostly Sunny

    • 51
    • 72

    Mostly Sunny

    • 53
    • 74

    Mostly Sunny

    • 49
    • 75

    Partly Sunny

    • 45
    • 68

    Partly Sunny

Today 17 Sep Lower Slopes of the Eastern Washington Cascades Crest

Sunny. Highs in the upper 60s to upper 70s, except in the mid 70s to lower 80s Valleys. Light wind.

Tonight 17 Sep Lower Slopes of the Eastern Washington Cascades Crest

Mostly clear. Lows in the mid 40s to lower 50s. West wind 5 to 10 Mph. Gusts up to 20 Mph overnight.

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Liberty Temperature Statistics

September Temperature

Ellensburg, Ellensburg Bowers Field (15.5 miles)

  • Lowest 3 September, 2026

    40.6 °F

  • Average September

    58.5 °F

  • Highest 1 September, 2026

    83.6 °F

Climate (2021–2026)

Ellensburg, Ellensburg Bowers Field (15.5 miles)

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  • Average Low 2021–2026

    40 °F

  • Average 2021–2026

    51.2 °F

  • Average High 2021–2026

    62.5 °F
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