Stassen Park Weather Forecast

    • 47
    • 76

    Sunny

    • 50
    • 81

    Sunny

    • 52
    • 85

    Mostly Sunny

    • 55
    • 86

    Mostly Sunny

    • 54
    • 87

    Partly Sunny

    • 54
    • 85

    Partly Sunny

    • 48
    • 79

    Mostly Sunny

Today 15 Sep Yakima Valley

Sunny. Highs in the lower to mid 70s. West wind 5 to 10 Mph shifting to the southeast in the afternoon.

Tonight 15 Sep Yakima Valley

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

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Stassen Park Temperature Statistics

September Temperature

Sunnyside Municipal Airport (5.6 miles)

  • Lowest

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  • Average September

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Climate (2020–Present)

Sunnyside Municipal Airport (5.6 miles)

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  • Average Low 2020–2025

    38.7 °F

  • Average 2020–2025

    51.1 °F

  • Average High 2020–2025

    63.3 °F
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