Flying Rock Airpark Weather Forecast

    • 51
    • 69

    Sunny

    • 53
    • 75

    Mostly Sunny

    • 52
    • 74

    Sunny

    • 54
    • 73

    Mostly Sunny

    • 55
    • 75

    Mostly Sunny

    • 52
    • 72

    Mostly Sunny

Today 16 Sep Lower Slopes of the Eastern Washington Cascades Crest

Sunny. Highs in the lower 60s to lower 70s, except in the upper 60s to upper 70s Valleys. East wind 5 to 10 Mph with Gusts to around 25 Mph.

Tonight 16 Sep Lower Slopes of the Eastern Washington Cascades Crest

Mostly clear. Lows in the mid 40s to lower 50s. Northeast wind 5 to 10 Mph with Gusts to around 20 Mph in the Evening, becoming light.

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Flying Rock Airpark Temperature Statistics

September Temperature

Ellensburg, Ellensburg Bowers Field (9.3 miles)

  • Lowest 3 September, 2026

    40.6 °F

  • Average September

    58.8 °F

  • Highest 1 September, 2026

    83.6 °F

Climate (2021–2026)

Ellensburg, Ellensburg Bowers Field (9.3 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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