South Cle Elum Weather Forecast

    • 55
    • 84

    Decreasing Clouds

    • 58
    • 91

    Mostly Sunny

    • 61
    • 92

    Chance Rain Showers

    • 51
    • 78

    Chance Rain Showers

    • 49
    • 74

    Mostly Sunny

    • 53
    • 84

    Partly Sunny

    • 52
    • 82

    Partly Sunny

Today 19 Aug Lower Slopes of the Eastern Washington Cascades Crest

Mostly cloudy. Patchy smoke. Highs in the mid 70s to mid 80s, except in the mid to upper 80s Valleys. Southwest wind 5 to 10 Mph.

Tonight 19 Aug Lower Slopes of the Eastern Washington Cascades Crest

Mostly clear. Lows in the lower 50s to lower 60s. West wind 5 to 10 Mph.

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South Cle Elum Temperature Statistics

August Temperature

Ellensburg, Ellensburg Bowers Field (21.7 miles)

  • Lowest 4 August, 2026

    43.6 °F

  • Average August

    70.6 °F

  • Highest 6 August, 2026

    96.7 °F

Climate (2021–2026)

Ellensburg, Ellensburg Bowers Field (21.7 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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