South Cle Elum Weather Forecast

    • 43
    • 75

    Mostly Sunny

    • 44
    • 81

    Mostly Cloudy

    • 39
    • 59

    Rain Showers Likely

    • 38
    • 59

    Partly Sunny

    • 35
    • 58

    Chance Rain Showers

    • 34
    • 54

    Chance Rain Showers

    • 37
    • 61

    Partly Sunny

Today 11 May Lower Slopes of the Eastern Washington Cascades Crest

Sunny. Highs in the lower 60s to lower 70s, except in the 70s Valleys. Southeast wind 5 to 10 Mph with Gusts to around 20 Mph.

Tonight 11 May Lower Slopes of the Eastern Washington Cascades Crest

Mostly clear. Lows in the lower 40s to lower 50s. Southeast wind 5 to 10 Mph in the Evening, becoming light.

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South Cle Elum Temperature Statistics

May Temperature

Ellensburg, Ellensburg Bowers Field (21.7 miles)

  • Lowest 1 May, 2026

    35.7 °F

  • Average May

    62.5 °F

  • Highest 4 May, 2026

    85.6 °F

Climate (2021–Present)

Ellensburg, Ellensburg Bowers Field (21.7 miles)

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  • Average Low 2021–2026

    40.3 °F

  • Average 2021–2026

    51.4 °F

  • Average High 2021–2026

    62.8 °F
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