Irene Rhinehart Riverfront Park Weather Forecast

    • 46
    • 70

    Sunny

    • 50
    • 77

    Mostly Sunny

    • 48
    • 76

    Sunny

    • 49
    • 76

    Mostly Sunny

    • 50
    • 77

    Mostly Sunny

    • 48
    • 75

    Partly Sunny

Today 16 Sep Kittitas Valley

Sunny. Highs in the upper 60s to mid 70s. Light Wind, becoming northeast 5 to 10 Mph in the afternoon.

Tonight 16 Sep Kittitas Valley

Clear. Lows in the upper 40s to mid 50s. Northeast wind 5 to 10 Mph in the Evening, becoming light.

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Irene Rhinehart Riverfront Park Temperature Statistics

September Temperature

Ellensburg, Ellensburg Bowers Field (3.1 miles)

  • Lowest 3 September, 2026

    40.6 °F

  • Average September

    58.7 °F

  • Highest 1 September, 2026

    83.6 °F

Climate (2021–2026)

Ellensburg, Ellensburg Bowers Field (3.1 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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